Answer:
it b or d
Explanation:
that is the most important for scientistes to study
b tells what can be in the fossill or find in the fossill
so i think it b
They both start out as nematodes!
Answer:
<em>Over the course of hours, days, or months, the organism turns from a single cell called the zygote (the product of sperm meeting egg) into a huge, organized collection of cells, tissues, and organs. As an embryo develops, its cells divide, grow, and migrate in specific patterns to make a more and more elaborate body.</em>
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I HOPE THIS WILL HELP YOU IF NOT THEN SORRY</h3>
HAVE A GREAT DAY :)
