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vredina [299]
3 years ago
12

Where does all of the energy needed by living things originally come from

Biology
2 answers:
o-na [289]3 years ago
4 0

It is needed by all living things and every living cell to carry out life processes, such as breaking down and building up molecules, and transporting many molecules across cell membranes. The form of energy that living things need for these processes is chemical energy, and it comes from food.

Mnenie [13.5K]3 years ago
3 0

It is needed by all living things and every living cell to carry out life processes, such as breaking down and building up molecules, and transporting many molecules across cell membranes. The form of energy that living things need for these processes is chemical energy, and it comes from food.

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Explain why Meteorologists make and use ""Station Models"" on weather maps?
ohaa [14]

Answer: See explanation

Explanation:

In meteorology, station models simply refers to the symbolic illustrations which depicts the weather that occurs at a reporting station.

Meteorologists use station model as it helps in revealing and communicating certain information about the weather of a particular area. It also helps in reporting various data and temperatures. .

5 0
3 years ago
Which of the following is NOT a function of a plant's roots?
maxonik [38]
The answer to this is A
7 0
3 years ago
Read 2 more answers
Birds and mammals have a four-chambered heart, but most reptiles have a three-chambered heart. How does this fact affect the con
eduard

Answer:

The animals present body structure is due to evolution. It is seen in each part including the structure of the heart. The vertebrate heart becomes complex from a simpler form.  

Invertebrates, the heart of fishes is two-chambered having one auricle and one ventricle. The deoxygenated blood gets purified in the gills. They are aquatic and no lungs for breathing. The hearts pump a mixture of oxygenated and deoxygenated blood to the body.  

The amphibians and reptiles have 3 chambered heart as they lead terrestrial mode of life. The gills modified into the lungs.  The left auricle receives pure blood and the right auricle receives deoxygenated blood. The blood purified in the lungs and in the ventricle, both types of blood get a mix. The ventricle pumps the mixed-blood throughout the body.

In the case of birds and mammal, the heart is 4 chambered and the oxygenated and deoxygenated blood are separated. These two are higher vertebrates. No mix of pure and impure blood, the body receives only the oxygenated blood.

This shows to construct the phylogenetic tree of vertebrates - the fishes should be in the bottom, and above it amphibians, reptiles, then, mammals and birds on the top branch of the tree. As the chambers and structure of the hearts modified one after another.

6 0
3 years ago
Place the following materials in the order in which they are likely to fossilize. Begin with the material that is most likely to
marusya05 [52]

Answer: correct order--->

1)mammal teeth

2.)bones of an adult mammal quickly buried

3.) bones of an adult mammal left on the surface

4.)soft body parts of any animals

Explanation:

Fossilization is the ability of an organism to be preserved and remain unaltered for a very long time. Through research , it has been found out that Harder  parts of the body tend to remain preserved for a long time  because they  naturally have minerals deposited in them and may only be reduced,  but the softer part or tissues do not get preserved for a long time because being made up of polymer can be disintegrated easily by natural biological and physical processes.

The order of which material will likely fossilize is

1.)mammal teeth

2.)bones of an adult mammal quickly buried

3.) bones of an adult mammal left on the surface

4.)soft body parts of any animals

Reason,

--Teeth and bones biologically contain calcium but the teeth is more tougher and durable than the bone, Even when a  body is decomposed, the teeth most times are not  affected at all.

Bones of an adult mammal left on the surface will decompose faster than the one buried because of the biological (natural decomposing ) and physical processes(temperature, wind, sunglight, rainfall ) which will both act on it at the same time because of its exposure.

- soft body parts of any animals will decompose fastest as bacteria will feed on it immediately since it lacks minerals that can elongate preservation.

5 0
3 years ago
The jet stream occurs in the mesosphere. true or false
alekssr [168]

Answer:

False

Explanation:

6 0
3 years ago
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