Answer:
Chloroplasts convert light energy to chemical energy to supply food to the plant through a process called photosynthesis
Water and Sunlight
Which carries oxygen and food to the body cells?
A)aorta
B)femoral vein
C)atrium
D)pulmonary artery
Answer:
c
Explanation:
Water from the Earth's surface goes into the atmosphere by the
process of
from living things and
from non-
living things.
O evaporation, precipitation
O transpiration, condensation
O condensation, precipitation
O transpiration, evaporation
Answer:
transpiration; evaporation
Explanation:
Definitions:
transpiration - the process of water movement through a plant and its evaporation
evaporation - the process of turning from liquid into vapor (and releasing it into the air)
BOTH of these processes include releasing water into Earth's atmosphere.
in pcr,
a. the gene sequence is determined
b. multiple copies of the dna sample are made
c. dna is destroyed so it has no value
Answer:
b. multiple copies of the dna sample are made
Explanation:
Polymerase chain reaction (PCR) is a method used to make millions to billions of copies i.e. complete copies or partial copies of a specific DNA sample, allowing scientists to take a very small sample of DNA and amplify it. The new fragments of DNA that are synthesize during Polymerase chain reaction (PCR) also serve as templates to which the DNA polymerase enzyme can attach and start making DNA. The result of this attachment in a production of huge number of copies of the specific DNA segment in a short period of time.
A very hot wildfire burns up an acre of prairie. Organisms above and below ground get wiped out, and even the abundance of soil nutrients suffers. What will happen first in the area's recovery?
A. Organisms will return to the soil
B. Weeds will return.
C. Humans will plant saplings
D. Rain will bring nutrients
Runoff from farmland into a river is an example of what???
Answer:
It would be a form of pollution due to the runoff of chemicals which harm the marine life while helping with the growth of algea more suitably known as
EUTROPHICATION
Explanation:
Which of the terms below did you sort into the "aerobic" category?
Plz help,, explanation if possible because I don’t understand at all :,/
Answer:
I can't identify the phenotypes since I don't know what trait B represents, what trait C represents and what trait c represents.
But you can find the phenotypic ratio by finding the number of individuals with each phenotype. The yellow squares are individuals that all have the same phenotype as each other. And the blue squares have the same phenotype as each other, but a different phenotype from the yellow squares.
The ratio would be written as:
(number of yellow squres):(number of blue squares)
12:4
does the earth need the sun to rotate on its axis ??
Answer:
An observer in space will see that Earth requires 23 hours, 56 minutes, and 4 seconds to make one complete rotation on its axis. But because Earth moves around the Sun at the same time that it is rotating, the planet must turn just a little bit more to reach the same place relative to the Sun.
Answer:
Yes, but actually no.
Explanation:
Since gravity pulls inward from all directions equally, a clump, if big enough, will eventually become a round planet. Inertia then keeps that planet spinning on its axis unless something occurs to disturb it.
To simplify, due to gravity, things will keep spinning until something stops it from spinning (this applies to being in space, I think).
Please help. What is most likely effect of a drought on a population of frogs that live in shallow swamp?
Answer:
C
Explanation:
Most valid answer out of the options!
7 points for each answer plus brainliest
The length of days and nights at any location on Earth depends on the Earth's position with respect to the sun. Esmeraldas is at latitude 01°00'N. Which of these statements best describes the length of days and nights at Esmeraldas in the months of January and June? (1 point)
The days are longer in January and shorter in June.
The days are longer in June and shorter in January.
The lengths of days and nights are almost same in June and January.
The lengths of days are shorter and nights are longer in both June and January.
The answer is The days are shorter and nights are longer. In June, the sun is at its maximum inclination in the Northern hemisphere due to the earth's tilt with respect to the sun (Summer Solstice). Therefore, countries in the Southern hemisphere, such as Austrailia, will experience longer nights than days.
please give brainliest
The atmosphere of Earth is made up of nitrogen, oxygen, water vapor, carbon dioxide, methane, nitrous
oxide, and ozone. Of these, 99% of the atmosphere is composed of:
Answer:
Nitrogen and oxygen account for 99 percent of the gases in dry air,
what was berrys best bee friends name in the bee movie?
Answer:
Adam Flayman
Explanation:
Barry B. Benson, an idealistic honey bee who has the ability to talk to humans, has recently graduated from college and is about to enter the hive's Honex Industries honey-making workforce with his best friend Adam Flayman.
Answer:
but just wanna say that I hope u have a nice day
Explanation:
Yupp
The amount of Earth covered by water might imply that all water is a renewable resource. Which statement best explains why not all water is renewable?
A. Most water on Earth is salt water, and salt water is not a renewable resource.
B. Only 1 percent of water on Earth is drinkable, which makes this water limited.
C. Fresh water is evenly distributed around the world.
D About one-third of all fresh water is frozen in the polar icecaps.
Answer:
B. Only 1 percent of water on earth is drinkable,which makes This water limited
Alina notices that when she shines a desk lamp on a mirror, nothing happens.When she shines an infrared lamp on the mirror, the mirror starts to get warmer.Why does light from the infrared lamp warm the mirror when light from the desk lamp does not?
Answer:
Because the infrared lamp gives off a type of light that the desk lamp does not, and the mirror can only take in the energy from the infrared light.
Explanation:
Answer:
Explanation:
Infrared is used for incubators when a chicken egg is about to hatch. It is the electrical frequency of electromagnetic radiation the provides heat.
Because heat is produced electrically it can be controlled with something resembling a dimmer switch (the kind of switch that dims lights in romantic restaurants). That means that the temperature can be set to the hen's body temperature.
Infrared is just below visible light.
1. Compact, complex animals have internal exchange surfaces that are extensively branched or folded, providing a large _____________.
2. In the _____________, nutrients are absorbed across the many fingerlike projections of the lining of the intestine.
3. In the _____________, oxygen and carbon dioxide are exchanged across the epithelial linings of sacs at the tips of tiny air tubes.
4. In the _____________, wastes are removed from the blood across the epithelial linings of excretory tubes.
5. The _____________ transports materials between the exchange surfaces of other organ systems and body cells.
6. Body cells are bathed in _______________, and exchange between body cells and the blood takes place through this fluid.
Answer:
1.) Surface area
2.) Digestive system
3.) Respiratory system
4.) Urinary system
5.) Circulatory system
6.) Interstitial fluid
Explanation:
In higher complex animals, such as the vertebrates, the internal exchange surfaces are modified in such a way to facilitate the transfer of materials from cell to cell in the body. As animal size increases, diffusion distances increase and the ratio of surface area to volume drops. Larger organisms have had to evolve specialized systems that are made up of structures that provides a large surface area for internal exchange of materials. Examples of these systems include:
--> DIGESTIVE SYSTEM: The fingerlike projections of the lining of the intestine provide a large surface area for the absorption of nutrients.
--> RESPIRATORY SYSTEM: This ends with a sac called the alveolar sac. The anatomical arrangement of capillaries and alveoli produces a very large surface area that is available for gas exchange.
--> URINARY SYSTEM: wastes are easily removed from the blood across the epithelial linings of excretory tubes.
--> CIRCULATORY SYSTEM: transports materials between the exchange surfaces of other organ systems and body cells. An example is seen in the relationship between the alveoli and the capillaries surrounding it.
For any exchange of materials to occur between cells the fluid known as the INTERSTITIAL FLUID which fills the intercellular spaces allows dissolved materials to be exchanged between body cells and the blood
Speculate how mutations cause changes that can then be seen over many generations.
Answer:
Over thousands of generations, many mutations will be introduced into a population and some of these will increase to a detectable frequency as a result of selection or genetic drift. Both of these processes may take a long time to make a measurable increase in allele diversity. hope this helps :D
Mutations are errors produced during DNA replication. These errors can be perpetuated by successive cell divisions in daughter mutated cells.
A mutation is any alteration in the genetic material (DNA) of an organism. These mutations can occur as spontaneous genetic errors during DNA replication.
In somatic and germinal cells which suffered a mutation, each successive DNA replication cycle before mitosis/meiosis will produce new daughter cells carrying the mutation.
The consequence of this process is the perpetuation of the mutation in the cell lineage originated from a parental 'mutated' cell.
The DNA repair mechanisms work to avoid the perpetuation of genetic mutations.
Somatic mutations cannot be passed to the next generation (i.e., they are inherited by somatic cells that divide through mitosis), whereas germline mutations can eventually be inherited in the next generations through gametes.
In conclusion, mutations are errors produced during DNA replication. These errors can be perpetuated by successive cell divisions in daughter mutated cells. In germline cells, mutations can eventually be inherited by successive generations.
Learn more in:
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True or false Biodiversity has both economical and ecological value within an ecosystem.
Explanation:
biodiversity has both economic value and ecological value within an ecosystem. ... Human activities can also threaten biodiversity. These activities include habitat destruction, poaching, pollution, and the introduction of exotic species.
Find the correct definition that matches the term in the bank. Column
A 1. heterozygous: heterozygous
2. probability: probability
3. trait: trait
4. dominant: dominant
5. recessive: recessive
6. heredity: heredity Column B
a.the allele that always shows up and hides the weaker allele
b.characteristic of an organism that makes it unique
c.the passing of traits from parent to offspring
d.the mathematical chance that something will happen
e.the allele that is always masked in the presence of the stronger allele
f.when the offspring inherits two different alleles
The atmosphere is full of nitrogen gas (N2). But plants cannot use nitrogen in this form. Summarize the roles of bacteria in making nitrogen available to plants and in returning nitrogen to the atmosphere.
Answer:
Prokaryotes play several roles in the nitrogen cycle. Nitrogen-fixing bacteria in the soil and within the root nodules of some plants convert nitrogen gas in the atmosphere to ammonia. Nitrifying bacteria convert ammonia to nitrites or nitrates.... Denitrifying bacteria converts nitrates back to nitrogen gas.
Which of the following lists the divisions of the Geologic Time Scale from the longest to shortest?
Answer:
From longest to shortest, the segments of time are eon, era, period, and epoch.
Explanation:
A simple multiple choice question (good luck!!) [25 points]
wind, plant growth, and the water cycle powered by?
Which sentence uses supporting evidence to form the best conclusion about a rattlesnake?
The sentence that uses the supporting evidence to form the best conclusion about a rattlesnake is as follows:
The rattlesnake's body temperature responded quickly to the environment, so it is an ectotherm.Thus, the correct option for this question is C.
What are Ectotherms?Ectotherms may be defined as the type of organisms that can not able to maintain their internal body temperature. They are also known as Poikilotherms. These types of organisms are absent on poles.
Due to a lack of internal maintenance of temperature, they can undergo hibernation and aestivation. Snakes and reptiles are ectothermic in nature. This significantly means that they directly obtain body heat from their environment.
Therefore, the rattlesnake's body temperature responded quickly to the environment, so it is an ectotherm is a sentence that uses the supporting evidence to form the best conclusion about a rattlesnake. Thus, the correct option for this question is C.
To learn more about Ectotherms, refer to the link:
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Copper is a mineral commonly used in electronics. Copper ore deposits were created by volcanic activity. Heat and pressure creates copper ore and deposited it in sedimentary rock layers. Copper is considered a resource.
I need the answer no links and no putting random stuff I need the answer fast
Answer:Copper is a mineral commonly used in electronics. Copper ore deposits were created by volcanic activity. Heat and pressure creates copper ore and deposited it in sedimentary rock layers. Copper is considered a resource.
Explanion:
its already the answer
which is the method of estimating fish in a pond
Explanation:
There is a popular sampling method called capture – recapture or 'Lincoln Index' or 'Pieterson's Method' which is used to estimate the size of an animal or human population.
Underground water is an example of
A) a hidden water source
B) a untapped water
source
C) an unusable water source
D) a high salinity water source
Answer:
i think its a hidden water source
True or falseThe study of where organisms live and how they got to specific places is called Biodiversity .
Answer:
False
Explanation:
Correct answer is biogeography
Explanation:
Biodiversity is a term used to describe the enormous variety of life on Earth. It can be used more specifically to refer to all of the species in one region or ecosystem. Biodiversity refers to every living thing, including plants, bacteria, animals, and humans.Question 6
Plants in the same field will grow at the exact same rate regardless of where they are
in the field.
True
False
Answer: false
Explanation: false
Who suggested that the distance of a galaxy is proportional to its recessional speed
Answer:
Edwin Hubble
Explanation:
Robbie is trying to learn as much as he can about a rock that he found. This particular rock contains some fossils. What can Robbie learn from the fossils
A.
whether the rock is a compound or an element
B.
whether or not the rock can float
C.
the mass of the rock
D.
the relative age of the rock
