1. What animals dominated the Mesozoic Era?

1 answer:

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1. A !! Its Mesozoic era and Jurassic period !!

2.B !! Archaeopteryx led to evolution of birds as they are connecting link between birds and reptiles.

3.B !! Very popular to be known , dinosaurs extinct due to metroites collision !!

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Answer:

Damaged the marine organisms.

Explanation:

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Answer:

1. an electrical nerve impulse sent by nerve fibers to the central nervous system for interpretation. Action potential.

2. neurons that detect chemicals such as those found in food. Chemoreceptors.

3. type of eyes many arthropods have; eyes that protrude outward and consist of many lenses. Compound eyes.

4. the structure that gives the response to an environmental change. Effector

5. neurons that detect electrical fields. Electroreceptors.

6. secretion of hormones into the blood stream to affect distant processes. Endocrine.

Explanation:

An action potential is a change in the internal charge of a cell due to depolarization. These changes allow the transmission of a message from any part of the body to the central nervous system. The central nervous system will interpret the message and will give a response.

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The effector is the structure that gives an answer once an affector has sent the message to the nervous system that there was a change in the environment.

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