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Evgen [1.6K]
2 years ago
8

What major evolutionary changes can be seen in the fossil record for Pakicetus

Biology
1 answer:
Zigmanuir [339]2 years ago
7 0

Answer:

The major evolutionary changes was overtime Pakicetus had an earbone with a feature unique to whales and an ankle bone that linked it to artiodactyls.

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The Skeletal system helped him move his hand away from the hot object.

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The Skeletal system consists of our skeleton or the bones. The other options would be correct if the question asked about the<u> nervous system</u> instead of the skeletal system.

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What is the correct sequence of events along an axon that follows a membrane reaching threshold potential?
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As sodium ions diffuse inward, sodium channels open.

Membrane depolarization occurs.

Potassium ions spread outward as potassium channels open.

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<h3>What happens along an axon in the right order ?</h3><h3 />

An action potential, which is a fast change in membrane potential, develops when the membrane potential of a neuron's axon hillock hits threshold. There are three steps to this shifting change in membrane potential. Depolarization occurs first, then repolarization, and then there is a brief phase of hyperpolarization.

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Which of the following are independent
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