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3 years ago

Which is a difference between the Paleozoic and Mesozoic era?

Biology

1 answer:

Snowcat [4.5K]3 years ago

6 0

Explanation:

Animals lived in the water during the Mesozoic and on land in the Paleozoic. Animal complexity increased during the Paleozoic while the first flowering plants appeared in the Mesozoic era. ...

The Paleozoic era, not the Mesozoic era, had the first dinosaurs. The first mammals emerged in the Paleozoic era, not the Mesozoic era. The Mesozoic era, not the Paleozoic era, had the first animals with shells.

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Organisms need _____ to conduct essential life activities

inessss [21]

Answer:

The correct answer is energy. Other organisms are not necessary, just like offsprings since there are many organisms that never have offsprings. Light is also not necessary with numerous organisms, especially those like the ones that live deep in the sea where light never reaches. Some form of energy is necessary for everyone.

8 0

3 years ago

During reduction, PGA reacts with ATP and NADPH. What does ATP contribute to the reaction?

vodka [1.7K]

The Answer is Electrons

ATP also is known as adenosine triphosphate, refers to a molecule found in the cells of all the living species. It is considered to be very essential as it helps in transporting the energy that plays an essential role in all the cellular metabolic activities. The mentioned reaction is the second step of the Calvin cycle, also termed as reduction step. During the process, the electrons from NADPH and ATP are transferred to 3-PGA, which further gets reduced to produce G3P or glyceraldehyde-3-phosphate. Thus, ATP is providing electrons in the mentioned reaction.

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4 years ago

Read 2 more answers

a star the designation HD 12929 in the constellation Aries is approximately 60 light years from Earth's sun.this star could also

Tems11 [23]

Answer:

The star could also be said to be 360 Million Million miles from the earth's sun.

Explanation:

A light year equals 9.4607 × $10^{12}$ km.

This is also approximately 6 Million Million Miles.

If we expressed the answer in miles, then we have to multiply 6 by 60.

This is equals to 360.

Therefore, 60 Light years is approximately 360 Million Million miles.

Cheers!

6 0

3 years ago

What is the difference between food chain and food Web<br>

alekssr [168]

Answer:

Here ya go!

Explanation:

A food chain is a single line of organisms, where each is preceded by something that it consumes and is followed by something that consumes it. A food web branches out in all directions with arrows pointing from organisms to any number of organisms that consume it.

5 0

3 years ago

What is the process by which individuals regain neurological function following an injury to the nervous system?

SOVA2 [1]

Answer:

Neuroregeneration is the process by which individuals regain neurological function following an injury to the nervous system

Explanation:

The body cell repairs or regenerates by the process of Neuroregeneration. The process allows formation of new neuron cells. The neuroregeneration process is different in PNS and CNS. During accidents, falls or assaults, this process starts generating new cells (neurons) and repairing of tissues present in the nervous system. The PNS composed of spinal and cranial nerves. The CNS composed of spinal cord and brain.

3 0

3 years ago