Answer:
Organisms’ characteristics can be used to determine the evolutionary relationships among them. The more closely related two organisms, the more characteristics they have in common. These shared characteristics, along with the fossil record, indicate that organisms have evolved over time from a common ancestor.
Sample Response: Organisms’ characteristics can be used to determine the evolutionary relationships among them. The more closely related two organisms, the more characteristics they have in common. These shared characteristics, along with the fossil record, indicate that organisms have evolved over time from a common ancestor.
Please help me out and give me the answer :).
Answer:
A. less genetic variation in human
Explanation:
the species could die out due to disease and any immunity gained will die with the individual.
Which ia an example of overexploitation
The best example of overexploitation of a resource is overfishing.
In desert plants, rate of water loss gets reduced due to the presence of
Answer:
In desert plants, rate of water loss gets reduced due to the presence of cuticle.
Explanation:
Cuticle are protective, hydrophobic waxy covering produced by epidermal cells of leaves, young shoots and other aerial parts. It minimises the water loss through transpiration (with the help of stomata) and also reduces pathogen entry.
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Why can an HIV infection not be treated by antibiotics?
Answer:
because HIV is a virus and antibiotics treat bacterial infections.
Explanation:
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Answer:
HIV is a viral rather than bacterial disease, so antibiotics cannot be used to treat it directly. But because the virus disrupts the body's own disease-fighting immune system, antibiotics critical for treating patients infected with HIV.
Explanation:
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cell theory establishes which of the following conclusions about cells?
A) all cells have the same size and shape
B) all cells form by free-cell formation
C) all cells are produced by other living cells
D) all cells have a cell wall
Answer:
C) all cells are produced by other living cells
Explanation:
Cell theory establishes the conclusion that " all cells are produced by other living cells". According to cell theory all the living cells are generated from pre- existing cells. Thus, option C is correct.
What is cell theory?Cell theory is a scientific theory given in nineteenth century and according to cell theory " cell is the structural and fundamental unit of life" and " every living cell is made up of pre existing cell".
The cells in multicellular organisms function differently from those in single-celled organism. A unicellular depends upon only one cell for all functions occurred in body. On the other hand a multicellular organism has cells specialized to perform several body functions that combinedly support the organism.
The main difference between unicellular organisms and multicellular organisms is that unicellular organism is unspecialized it means all the body function depends upon only on the single cell and in multicellular organism there is specific cells for specific purposes.
Multicellular and unicellular organisms are perform almost all the life running activities and processes such as respiration, reproduction digestion, breathing, and metabolism.
In unicellular organism division of levour is at the orgneele level on the other hand in multicellular the division of lavour at cellular, tissue, organs and organ system level.
Unicellular organism has simple body organization and multicellular organism have complex body organism.
Therefore,Cell theory establishes the conclusion that " all cells are produced by other living cells". According to cell theory all the living cells are generated from pre- existing cells. Thus, option C is correct.
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Which strand of mRNA would be made during transcription using the DNA
strand shown below?
GTT ACC
O A. CUU AGG
B. CTT AGG
C. CTT ACC
D. CAA UGG
ISBN
Answer:
The correct answer is D. CAA UGG
Explanation:
According to the rule of base pairing the Adenine make complementary base pairing with thymine and thymine with adenine and guanine and cytosine base pairs with each other in DNA.
In RNA in place of thymine, uracil base pairs with the adenine. Therefore according to this base-pairing rule, the DNA strand GTT ACC will give rise to transcript CAA UGG. So in place of adenine uracil has come.
Therefore the correct answer to this question is D. D. CAA UGG
Answer:
D.
Explanation:
a p e x
Give an example of human cells that use active transport.
Answer Active transport is usually associated with accumulating high concentrations of molecules that the cell needs, such as ions, glucose and amino acids. Examples of active transport include the uptake of glucose in the intestines in humans and the uptake of mineral ions into root hair cells of plants.
Explanation:
what does a human neuron use to send a signal to the brain in response to a stimulus such as touch?
A. myosin and actin
B. contraction and relaxation
C. respiration and absorption
D. electrical signals and chemical neurotransmitters
Answer:
D.electrical signals and chemical neurotransmitters
Explanation:
chemical transmitters are the language that neurons use to connect eachother.
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Which information would a population ecologist include when conducting a study? CHOOSE 2 ANSWERS!!!
A - birth rate of species
B - structure of organisms
C - reproduction system of animals
D- average number of prey animals consumed by a predator
Answer:
a and d
Explanation:
the birth and death rates are important, they are they numbers in which a population is
Answer:
a and d
Explanation:
Which type of natural selection is a work here
Answer:
The correct answer is: C) stabilizing selection
Explanation:
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Mention three importance of soil organisms.
Explanation:
soil organisms which range in size from microscopic cells that digest decaying organic material to small mammals that live primarily on other soil organisms play an important role in maintaining fertility structure drainage and aeration of soil
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16. Assume that you drop a rock from the top of a tall cliff and it takes 3 seconds for the rock to fall to the bottom of the cliff. What is the rock’s velocity when it reaches the bottom? How do you know?
17. When you shoot an arrow at a target, why should you aim above the bull’s eye if you want the arrow to hit the bull’s eye?
Answer:I think it is 29.4
Explanation: Earths gravitational pull is 9.8m/s and multipky that by three to get 29.4.
Im doing the same test :)
Number 2 is the one that needs to be answered
Answer:
2. The US uses far less renewable energy than most other countries.
Explanation:
US uses very less renewable entgy in comparison to other countries because of several reasons such as:
overall cost of renewable energy is very high.limitations to geography.can cause pollution, such as biomass.fossil fuels are more reliable as do not depend on other environemntal fluctuations such as solar light.Hence, the correct option is 2.
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Water conservation is an important issue for many reasons. One factor is that water conservation preserves and protects our natural resources. Conserving water means more water is available to serve additional water needs, as well as for wildlife and recreation. Water conservation practices can result in lower wastewater discharges which can mean an improvement in overall water quality. Conserving water diminishes our need to find or build new water sources, leaving them in reserve for our possible later use. Preservation does result in
A) lower algae levels
B) reduction in industry standards
C) slowing the building of new housing
D) lessening the need to find new water sources
Answer:
i believe the answer is D) lessening the need to find new water sources
When using muzzleloading firearms Fg, FFg, FFFg and FFFFg are examples of what?
A, Different types or sizes of ammunition
B, Different granulation sizes of black powder
C, Different types of firing mechanisms
D, Different barrel types or lengths
Answer:
B, Different granulation sizes of black powder
Explanation:
A muzzleloader firearm is a firearm that has a muzzle through which the propeller and the projectile is loaded from. For muzzleloader firearms, Fg, FFg, FFFg and FFFFg are examples of Different granulation sizes of black powder. The number of F's represent how the black powder is grounded, FFFFg is the smoothest and is used for muzzleloading rifles of 45 caliber and smaller. FFG is less smooth and is used in muzzleloading rifles larger than 45 caliber while FG is the most coarse used in large bore shotguns.
Think about water and how it rolls up on the beach. Think of all its qualities. Is it alive according to the characteristics of life? Why or why not?
Answer:
no, water is not alive
Explanation:
it does not need nutrients, breath or grow the way other living things do
Which law or principle does the diagram represent?
Answer:c
Explanation: The law of segregation is given by the George Mandal.
Answer:
the correct answer is C. Segregation
Explanation:
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Pet owners begin to abandon their Burmese pythons in the Everglades when they become too large for home care. Native species of frogs and reptiles decrease with the introduction of the snakes. What does this scenario represent?
Answer: This scenario represents predation.
Explanation:
Predators are the animals which kill and consume other animals or birds to sustain their lives.
Burmese pythons are predators which can kill frogs and other reptiles in Everglades. These can consume wild animals like mammals and birds. They can even kill and eat alligators.
These pythons if kept as a pet can harmful for their owners and must be get rid of them. According to this scenario the pythons being predators can eat native frogs and other reptiles thus will decrease the population of the frogs and reptile. Thus will disturb the natural balance.
Answer:
A loss of biodiversity due to an invasive species.
What is the effect of loss of
red blood cells
a low red blood count can cause feeling of fatigue and weakness.
Answer:
It causes anemia
Explanation:
What are the monomers of DNA called
Answer: The monomer units of DNA are nucleotides.
Explanation: Hopefully this was helpful :)
Why is there more nitrogen than oxygen in the air?
Answer:
Nitrogen is a stable gas and doesn't want to react to anything. When you breathe in air, you breathe in nitrogen along with oxygen. However, as oxygen gets absorbed into your body, since nitrogen is stable, you breathe it back out, leaving more nitrogen in the air.
How does the location of the nodules relate to the function of the nodule? Explain
Answer:
loser lol
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Explanation:
dumbo
Answer:its not realtble
Explanation:
During replication, which sequence of nucleotides would bond with the DNA sequence ATCAG?
Answer:
TAGTC
Explanation:
There are four different nucleotides in DNA: adenine, thymine, cytosine and guanine.
The bases pair like so:
A with T (adenine with thymine)
C with G (cytosine with guanine)
The DNA sequence given is :
ATCAG
Match As with Ts, Ts with As, Cs with Gs and Gs with Cs.
The sequence of nucleotides that would bond with the sequence above is:
TAGTC
Exposure to a harmful substance in the first 6 weeks of embryonic development is most likely to have an effect on_______.
Answer:
Embryo/ fetus in self
Explanation:
Which are products of nitrogen fixation?
O A. Phosphorus, nitrates, nodules
O B. Oxygen, carbon, water
O C. Nodules, roots, fertilizer
O D. Ammonia, nitrates, nitrites
Answer:
D. Ammonia, nitrates, nitrites
Explanation:
option d is correct answer
What is the shape of a BH3 molecule?
Answer:
The shape of a BH3 molecule is trigonal planar.
Which evidence is most likely used to indicate the beginning of solar system formation?
Answer:
The answer is B or Materials were pulled together by gravity.
Explanation:
Answer:
materials were pulled together by gravity.
Explanation:
the "big bang theory"
a cross two examine two different traits is called
Answer:
The dihybrid cross: charting two different traits in a single breeding experiment. Consider a cross between two parents that are heterozygous for both body color and eye color (BbEe x BbEe). This type of experiment is known as a dihybrid cross.
how will a organism be benefited if it reproduces through spores
Answer:
Spore can survive under unfavorable conditions as they are covered by a hard protective coat. Spores can grow to produce new plants and does not require sexual interaction with another organism. Due to their small size and light weight, they can be dispersed easily.
Spores can remain dormant till favourable conditions become available. b. Spores help an organism to tide over the bad phase. Spores can be spread through water, air or animals and thus is good for the spread of an organism to more places.
Explanation: hope this helps bro! (:
if water were a nonpolar molecule, how would it’s properties be different?
Answer:
Sep 28, 2016 - If water were a nonpolar molecule how would its properties be different. ... Water would no be able to form hydrogen bonds. D.
Explanation:
