The two species probably had a common ancestor, but split and changed from evolution.
Answer:
Cast fossils occur when mold fossils are filled in with minerals that harden over time, creating a fossilized replica of the original organism. Water seeps through the rock surrounding the mold fossil, leaving behind minerals which fill the mold. Any mold fossil can potentially form a cast mold.
Explanation:
The name of the structure indicated by the question mark on this transverse cut of the developing embryo is the neural tube. This is further explained below.
<h3>What is a neural tube?</h3>
Generally, The neural tube is simply defined as the facilitator of the central nervous system
In conclusion, the neural tube is the brain and the spin.
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The statement about secondary production that is false is option c. Generally, an individual's production efficiency will decline as the C:N ratio of its food increases.
<h3>When is productivity and efficiency present?</h3>
Productive efficiency states that it is not possible to generate more of one good without producing less of another good given the inputs and technology at hand.
Note that Production efficiency is a word used in economics to describe the point at which an economy or other entity can no longer produce more of one good without reducing the level of production of a different one.
Hence, It's more important to focus on the caliber of your job than just the pace. Therefore, you have achieved improved production efficiency if your company increased its output from 1,000 bags to 1,500 bags of coffee while generating less waste, spending less money, and utilizing fewer resources.
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