Answer:
B. Red pandas and raccoons share a more recent common ancestor
than red pandas and giant pandas.
Explanation:
DNA sequencing is finding the sequence of base pairs in an organism's DNA, and it's often used to compare with other organisms. The more base pairs that are the same, the more similar the two organisms are, and this means that they share a more recent common ancestor.
We can't make any conclusions like C and D because we just don't have enough data to conclude that one descended from the other.
Answer: B
Explanation:
Red pandas and raccoons share a more recent common ancestor.
What is cold blooded and warm blooded animals ? Give some examples.
Answer:
Cold blooded: Snakes, adn other reptiles
Warm blooded, Mammals like us and others like bears and some pets like dogs and cats.
Explanation:
[tex]\huge\tt{ANSWER:}[/tex]
Warm Blooded Animals : Animals who doesn't regulates their blood's temperature according to the environment, and aren't effected by the temperature change. Most mammals are warm blooded.
Cold Blooded Animals : Animals who regulates their blood's temperature by the environment and are effected by temperature changes. Most repltiles are cold blooded.
Lesson Question:How can the presence of
one species benefit another in the same
ecosystem?
Check all correct elements below that you
included in your question.
independent variable: presence of one
species (here, worms)
dependent variable: effect on another
species (here, lima bean plants)
relationship: benefit
DONE
The given question is incomplete question as it lack essential part of question which is :
Ex: Write a hypothesis about the worms and lima bean plants. Be sure to answer the lab question.
Answer:
The correct answer would be : If plants grow in soil with worms, then growth of the lima bean plant will be greater due to worms helps in decomposing organic matter.
Explanation:
In this hypothesis the one species benefits other species in the same ecosystem they both exist. According to the hypothesis presence of the worms helps in the growth of the lima bean plants.
Dependent variable is a variable that depends on change in independent variable. Here the change in the presence of worms affects the growth of the bean plants so, the dependent variable is bean plant and the independent variable is presence of the worms.
Thus, the correct answer is : If plants grow in soil containing worms, then plant growth will be greater, because worms help decompose organic matter
Hypothesis: If plants grow in soil containing worms, then plant growth will be greater,
Explanation:
because worms help decompose organic matter and distribute it through the soil in a form that plants can use.
Two enzyme-controlled reactions are shown.
From these reactions, what deduction can be made about enzymes?
A Enzyme 1 has been changed to enzyme 2.
B Enzyme 2 slows down the production of amino acids.
C Enzymes can build up large molecules.
D Enzymes only break down large molecules.
Thank you!
Answer:
B&D
Explanation:
Proteins that acts as a biological catalyst are called enzymes. The substrate acts on the active site of enzymes to form an enzyme-substrate complex, which produces the desired product.
The correct answer is:
Option D. Enzymes only break down large molecules
This can be explained as:
Enzymes help in breaking the large molecule into smaller molecules.The smaller pieces are more easily and readily absorbable by the body.They are very selective that is they catalyze specific types of reactions only.Protease breaks the proteins into amino acids, they break the peptide bonds present in the amino acid chains.Therefore, enzymes can break down large molecules.
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Which function of the skeletal system would be especially important if you were in a car accident?
A. storage of minerals B. protection of internal organs
C. facilitation of movement d. fat storage
2. Bone tissue can be described as ________.
A. dead calcified tissue B. cartilage
C. the skeletal system D. dense, hard connective tissue
3. Without red marrow, bones would not be able to ________.
A. store phosphate B. store calcium C. make blood cells D. move like levers
4. The skeletal system is made of ________.
A. muscles and tendons B. bones and cartilage
C. vitreous humor D. minerals and fat
5. Critical Thinking Question
The skeletal system is composed of bone and cartilage and has many functions. Choose three of these functions and discuss what features of the skeletal system allow it to accomplish these functions.
Answer:
1) B without protection of internal organs, you would die even with just a fall
2) B it just is B
3) dunno
4) B it just is B
5) you must do ur self becuase u must explain how you think....
Explanation:
Dare delete me again moderators...
brefly describe alternational of generations i.n plants. Be sure to include a description of what alternation of generations is, the names of the generations, and their chromosomes number
Answer:
2 brefly describe alternational of generations i.n plants. Be sure to include a description of what alternation of generations is, the names of the generations, and their chromosomes number
sound waves can only travel through fluids
TRUE or FALSE
Answer:
false
Explanation:
Sound waves need to travel through a medium such as a solid, liquid, or gas. The sound waves move through each of these mediums by vibrating the molecules in the matter. The molecules in solids are packed very tightly. Liquids are not packed as tightly as solids. And gases are very loosely packed.
Answer:
False
Explanation:
because sound waves can also pass through a solid and gas as well as liquids.
Climate 101: Deforestation Questions
1. Forestry and Agriculture are responsible for what percentage of greenhouse gas
emissions?
2. What are 2 ways that deforestation impacts the emission of greenhouse gas emissions?
3. How does agriculture cause deforestation?
4. What is the best solution to reduce deforestation and why?
5. What solutions would you give to families who rely on deforestation to live and provide for
themselves. (I say this because it is a very complicated problem)
Answer:
1. I can’t think of the percentage off the top of my head, but I have the rest of the answers:
2. By cutting down trees, you are releasing the carbon dioxide that the trees were previously storing, and deforestation also limits the amount of trees available to take part in photosynthesis.
3. In order to have agriculture, you must have land to grow the food on; in order to get this land, some people need to burn jungles and rainforests for more space (what‘s currently happening in the Amazon).
4. Set incentives for the government. This encourages them to not chop down trees, as there will be a visible benefit.
5. I would say education. It’s difficult in less developed countries, because it truly is all that they rely on; but through education, people can at least be aware of what they are doing so when the time comes they will be able to stop it.
Explanation:
Extra glucose is stored as _____.
cytokinin
starch
chlorophyll
gibberellin
Answer:
Starch
Explanation:
I'm assuming that we are talking about plants and plants store extra glucose as starch molecules.
Answer:
Starch. Mark brainliest pls.
Which of the following would NOT characterize allopatric selection?
A
physical barrier within population
B.
extensive gene flow
C.
chromosomal changes within population
Which of the following would have resulted from the functions of prokaryotes on early Earth?
more carbon became present in Earth's soil
more nitrogen gas became present in the atmosphere
less sulfur became present in Earth's soil
more oxygen gas became present in the atmosphere
Answer:
More nitrogen gas became present in the atmosphere
The shape of neurons allows them to do which of the following more efficiently?
Question 13 options:
Deliver oxygen rapidly throughout the body
Give rise to other pluripotent cells
Generate powerful muscle contractions
Transmit messages from cell to cell at high speed
Answer:
Transmit messages from cell to cell at high speed
Answer:
Transmit messages from cell to cell at high speed
Explanation:
The shape of neurons allows them to transmit messages from cell to cell at a higher speed. Neurons are long and branched, making it easy to connect from neuron to neuron. The shape of neurons isn’t well designed for transporting oxygen, generating muscle contractions, or giving rise to pluripotent cells.
Which of the following is a plant structure that aids in water retention?
A) Cellulose
B) Cuticle
C) Vascular tissue
D) Cell wall
Answer:
A
Explanation:
it holds water in the plant
The rock pocket mouse and human skin color are examples of evolution in that they both?
a have the MC1R gene and melanin differences
b the environment and nature affects which color is more fit
c there is an advantage of being one color over another
d all of the above
An example of an adaptation to help
a prey outrun a predator would be...
A. a lizard loosing its tail to distract a predator.
B. a kangaroo rat using its tail like a rudder to
change direction at full speed.
C. an English peppered moth camouflaging against a
tree.
Answer:
the answer is c
Explanation:
this is because the moth using its camouflage is an adaptation of traits from parent genetics
Which of the following statements best explains how the energy in a photon of light is stored in a molecule of
the sugar G3P?
a)Light energy directly provides energy to RuBP and CO2, which produce G3P in the Calvin cycle.
b) Light energy directly provides energy to ATP synthase, which produces ATP during the light reactions.
c)Light energy energizes electrons to make ATP and NADPH, which provide energy to produce G3P in the Calvin cycle
Answer:
c) Light energy energizes electrons to make ATP and NADPH, which provide energy to produce G3P in the Calvin cycle
Explanation:
Photosynthesis is a metabolic process carried out by the cells of autotrophic organisms. The process involves synthesis of food (glucose) using light energy. Photosynthesis involves two processes viz: light-dependent stage and light-independent stage.
The light dependent stage of photosynthesis occurs in the thylakoid membrane of the CHLOROPLAST, where Chlorophyll pigments capture photons of light from the sun. The Chlorophyll becomes activated and provides energy to build a proton pump, which eventually powers the synthesis of ATP and NADPH molecules.
The ATP and NADPH molecules enter into the stroma of the CHLOROPLAST, where the light-independent or Calvin cycle takes place. In the Calvin cycle, ATP provides energy while NADPH supplies electrons that produce Glyceraldehyde-3-phosphate (G3P) molecules.
The statement best explains how the energy in a photon is stored in G3P is that light energy energizes electrons to make ATP and NADPH, which provide energy to produce G3P in the Calvin cycle (Option c).
During photosynthesis, sunlight excites electrons from chlorophyll in a process that triggers the synthesis of ATP and NADPH.The Calvin cycle is a metabolic pathway by which plants convert carbon dioxide (CO2) from the air into glucose molecules during photosynthesis.Glyceraldehyde 3-phosphate (G3P) is the prime end-product of the Calvin cycle. A G3P molecule has three carbon (C) atoms, thereby two molecules of G3P are required to produce a six-carbon sugar (glucose) molecule.In conclusion, the statement best explains how the energy in a photon is stored in G3P is that light energy energizes electrons to make ATP and NADPH, which provide energy to produce G3P in the Calvin cycle (Option c).
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1. Lynn is a 2-year-old girl. Her mom and she like to play a game where her mom pretends to
have one of Lynn's stuffed animals, a little monkey, tickle Lynn's feet. Actually, Lynn's mom is
doing the tickling. Lynn laughs and kicks her legs reflexively whenever her feet are tickled. Now,
if Lynn sees her mom grab hold of her stuffed monkey, Lynn starts to laugh and kick her legs.
Neutral Stimulus:
Unconditioned Stimulus:
Unconditioned Response:
Conditioned Stimulus:
Conditioned Response:
Answer:
Conditioned response.
Explanation:
Lynn was conditioned to kick her legs as a response to whatever happens after her mom grabs the monkey.
Igneous rocks are classified based upon their
which choice below represents an organism with two recessive alleles
Answer:
B
Explanation:
Because it continues
characteristics of green buildings
Answer:
Efficient use of energy, water and other resources.
Use of renewable energy, such as solar energy.
Pollution and waste reduction measures, and the enabling of re-use and recycling.
Good indoor environmental air quality.
Use of materials that are non-toxic, ethical and sustainable.
Answer:
Efficient use of energy, water and other resources.
Use of renewable energy, such as solar energy.
Pollution and waste reduction measures, and the enabling of re-use and recycling.
Good indoor environmental air quality.
Use of materials that are non-toxic, ethical and sustainable.
Explanation:
The Tasmanian devil (Sarcophilus harrisii) is a species of mammal whose only wild population is native to the isolated island of Tasmania, off the coast of Australia. Tasmanian devils have a very low level of genetic diversity across the entire species. Researchers hypothesize this lack of diversity is the result of several genetic bottlenecks in the species’ history. In 1996 a new disease called devil facial tumor disease (DFTDDFTD) appeared in the wild Tasmanian devil population. DFTDDFTD can spread from one animal to another and causes the death of most affected animals. The impact of DFTDDFTD on the Tasmanian devil population has resulted in a decrease in the total population of more than 85% over the last two decades. (a) Describe the process that maintained a stable Tasmanian devil population size before the appearance of DFTDDFTD in 1996. (b) Explain how the huge reduction of the Tasmanian devil population since 1996 affects the susceptibility of the current population to new diseases in comparison with the susceptibility of the population before 1996. (c) Tasmanian devils are top predators and are considered a keystone species in their community. Predict the effect of the rapid reduction of the Tasmanian devil population on the rest of the community. (d) Justify the prediction of Part c
The Tasmanian devil (Sarcophilus harrisii) is a carnivorous marsupial of the family Dasyuridae. Until recently, it was only found on the island state of Tasmania, but it has now been reintroduced to New South Wales in mainland Australia, with a small breeding population.[3] The size of a small dog, the Tasmanian devil became the largest carnivorous marsupial in the world, following the extinction of the thylacine in 1936. It is related to quolls, and distantly related to the thylacine. It is characterised by its stocky and muscular build, black fur, pungent odour, extremely loud and disturbing screech, keen sense of smell, and ferocity when feeding. The Tasmanian devil's large head and neck allow it to generate among the strongest bites per unit body mass of any extant predatory land mammal. It hunts prey and scavenges on carrion.
Although devils are usually solitary, they sometimes eat and defecate together in a communal location. Unlike most other dasyurids, the devil thermoregulates effectively, and is active during the middle of the day without overheating. Despite its rotund appearance, it is capable of surprising speed and endurance, and can climb trees and swim across rivers. Devils are not monogamous. Males fight one another for females, and guard their partners to prevent female infidelity. Females can ovulate three times in as many weeks during the mating season, and 80% of two-year-old females are seen to be pregnant during the annual mating season.
Females average four breeding seasons in their life, and give birth to 20 to 30 live young after three weeks' gestation. The newborn are pink, lack fur, have indistinct facial features, and weigh around 0.20 g (0.0071 oz) at birth. As there are only four nipples in the pouch, competition is fierce, and few newborns survive. The young grow rapidly, and are ejected from the pouch after around 100 days, weighing roughly 200 g (7.1 oz). The young become independent after around nine months.
It is believed that ancient marsupials migrated across Gondwana tens of millions of years ago, and that they evolved as Australia became more arid. Fossils of species similar to modern devils have been found, but it is not known whether devils are descended from these species or co-existed with them. It is unclear when Tasmanian devils became locally extinct from the Australian mainland; most evidence suggests they had contracted to three relict populations around 3000 years ago. A tooth found in Augusta, Western Australia, has been dated to 430 years ago, but archaeologist Oliver Brown disputes this and considers the devil's mainland extinction to have occurred around 3000 years ago.[4] This disappearance is blamed on climate change, a population increase in humans and the introduction of the dingo, the latter of which is absent from Tasmania.[5][6]
In 1941, devils became officially protected, and since then, scientists have contended that earlier concerns over the threat to livestock were overestimated and misplaced. Since the late 1990s, the devil facial tumour disease (DFTD) has drastically reduced the population and now threatens the survival of the species, which in 2008 was declared to be endangered. Programs undertaken by the Government of Tasmania to reduce the impact of the disease include an initiative to build up a group of healthy devils in captivity, isolated from the disease. Localised populations of devils have also been severely reduced by collisions with motor vehicles, particularly when they are eating roadkill.
The devil is an iconic symbol of Tasmania and many organisations, groups and products associated with the state use the animal in their logos. It is seen as an important attractor of tourists to Tasmania and has come to worldwide attention through the Looney Tunes character of the same name. Starting in 2013, Tasmanian devils are again being sent to zoos around the world as part of the Australian government's Save the Tasmanian Devil Program.
The process that maintained a stable size of the tasmanian devil in the population before the appearance of DFTDDFTD in 1996 was to have no diseases that decimated the population with no possibility of cure the huge reduction in the population of tasmanian devils, resulting in problems on the food web. To find out more.......
Answering step by step(A) the process that maintained a stable population size of Tasmanian devils prior to the appearance of DFTDDFTD in 1996. Was to have no specialized diseases, transmitted from individual to individual in the population of these animals. (B) the enormous reduction in the population of Tasmanian devils since 1996 has been affecting the susceptibility of the current population to new diseases compared to the susceptibility of the population before 1996, by the emergence of an uncontrollable and transmissible disease, this disease has decimated the populations of this animal, without cure and apparent control. (C)and (D) Tasmanian devils are top predators and are considered a key species in their community. With this, it is predicted that the rapid reduction of the population of Tasmanian devils will bring an imbalance in this community, as the number of animals that are below their trophic level will prevail in the rest of the community.Tasmanian Devil Facial TumorTasmanian Devil Facial Tumor or Tasmanian Devil Facial Cancer (TFDT is an
Aggressive Non-viral Transmissible neoplasm (cancer)That affects Tasmanian devils. The first official record has been made in Tasmania in 1996. Over the years, the disease has devastated wild devil populations, with an estimated decline of 20% to 50% in approximately 65% of the island. Newly decided populations up to 10% 12 to 18 years of age. The major pathology in the eastern half of Tasmania. Signs of TFDT begin as ease and strain around the mouth. These develop into cancerous tumors that spread to the entire face and face. eventually, by the body. Tumors interfere with feeding, leading the animal to death by starvation. The facial tumor originates from Schwann cells.
With this information, we can conclude that Tasmanian Devil Facial Tumor is causing a great impact on the Tasmanian devil population, and that in this case human intervention is necessary to perpetuate the species and to maintain the balance in the habitat ecology and food web.
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Which places the types of clouds in correct order from most thick and puffy, to most thin and wispy?
A. cirrus, stratus, cumulus
B.stratus, cumulus, cirrus
C.stratus, cirrus, cumulus
D.cumulus, stratus, cirrus
Answer:
a
Explanation:
A landscaper is shopping for landscaping materials. She wants to use materials through which water flows easily.
Which materials should she choose? Select THREE options.
clay
gravel
granite
rocks with cracks
loosely packed soil
Answer:
gravel, rocks with cracks, loosely packed soil
Explanation:
all tree has room for water to flow through
Initially, glucose was found only the dialysis tubing. After 15 minutes, a sample was taken. That sample showed that glucose was found the dialysis tub
Answer:
inside, outside
Explanation:
Answer:
1. inside
2. outside
3. c
Explanation:
Which statement best describes the significance of Carrie Chapman Catt to
the women's rights movement?
A. She advocated protecting women's rights in the original
Constitution
B. She successfully argued for women's suffrage before the Supreme
Court
C. She served as president of the National American Woman
Suffrage Association,
D. She fought to have women's rights included in the Fifteenth
Amendment
Answer:
C. She served as president of the national american woman suffrage association
Explanation: The Women's Rights movement both began the same time or during the Absolutism movement and it caused by women thinking they we are fighting for African Americans, so they began the women's rights movement.
The contribution of Carrie Chapman Catt to the women's rights movement is best summed up by the fact that she was president of the national American woman suffrage group. So, the correct option is C.
Who was Carrie Chapman Catt?Leading advocate for the Nineteenth Amendment to the Constitution of the United States, which granted women the right to vote in the country in 1920, was Carrie Chapman Catt. From 1900 to 1904 and 1915 to 1920, Catt presided over the National American Woman Suffrage Association.
Women believed they were struggling for African Americans, therefore they started the women's rights movement, which both started at the same time or as part of the Absolutism movement. The fact that Carrie Chapman Catt served as president of the nationwide American woman suffrage organization best captures her role to the women's rights struggle.
Therefore, the correct option is C.
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11. Question: Imagine 20 babies were born. 10 had blue eyes, and 10 had brown eyes. What traits do their parents probably
have? (Remember brown B is dominant to blue b). Use what you know about dominant and recessive traits to explain
your answer. Provide your answer using at least two complete sentences. Refer to the rubric below to see how you will be
evaluated.
Answer:
the ans is bb and Bb
Explanation:
if you look at this picture you will understand.
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Are hummingbirds attracted to the color red?
Answer:
Yes, Since hummingbirds can see red shades more easily they can quickly pick out the flowers that are most likely to be plentiful sources of nectar.
Explanation:
Red flowers, and of course red feeders, are often rich sources of food for hummingbirds. The color red often signals high-octane fuel for their intensely active way of life.
Hope This Helps!
Answer:
The hummingbirds are likely seeking out red blossoms or making a beeline for a backyard nectar feeder accented with red plastic
Explanation:
The color red often signals high-octane fuel for their intensely active way of life
hope this helped you
Which of these is a drawback of extraction using hydraulic fracturing?
Answer:
D. Contamination of groundwater
Hydraulic fracturing is also called as fracking. It is a drilling process which is used for the excavation of oil and natural gas from the shale rock beneath the earth crust. In this the hydraulic pressure is used by using the chemicals mixed with sand and water. This water is injected forcefully into the rocks. The gas or oil comes out from the gaps created. This process can contaminate the groundwater reservoir.
Answer: Higher risk of oil spills
Explanation:
What enzyme is found in the gut of Aphids that gives this insect an advantage over other insects by being able to digests sap and fuel their life mechanisms?
Answer:
Symbiotica colonises the gut, salivary glands and mouthparts (including the stylet) of the pea aphid Acyrthosiphon pisum, providing a mechanism to transfer the symbiont into host plants.aphids spread between plants by flying or crawling. Aphids cause damage by sucking sap from new growth on plants. They tend to cluster at the growth end of plants and attach themselves to the soft, green stems.
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If the amount of carbon changed in one part of a closed ecosystem, what happened to the carbon in the rest of the ecosystem?
Explanation:
Since carbon cannot be produced or used up, the total amount of carbon in a closed ecosystem does not change
The total amount of carbon in a closed ecosystem will not change in this type of scenario.
What is Ecosystem?This is referred to as all the organisms and the physical environment with which they interact.
The total amount of carbon in a closed ecosystem will not change as it can't be used up but maintains a cycle.
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Describe at least two ways in which the evidence for the flat earth theory in the article fails to be scientific
Answer:
The flat Earth thoery in the article fails to be scientific since
1. gravity exists. gravity pulls objects toward the core of Earth and if Earth is flat, satelites and the moon will not be able to orbit around Earth.
2. We can tell that Earth is not flat by observing the moon and sun. If Earth is flat, there will be no timezone. One side of Earth will receive sunlight and the other will not, so obviosuly, Earth is not flat.
Explanation:
