Stronger. The sun has an immense gravitational pull that drags planets into orbit and keeps them orbiting for millions and millions of years.
Garstang's Auricularia hypothesis suggests that ancestral vertebrates may have evolved from urochordate larvae.
What is Garstang's Auricularia?
The auricularia hypothesis, proposed by Garstang was an attempt to explain how the chordate body plan originated from a deuterostome common ancestor by emphasizing the significance of changes in larval forms. According to the Garstang Hypothesis, development of sexual maturity in a non-metamorphosing lineage of tunicates might provide the immediate proto-chordate ancestors of more typical chordates.
Learn more about Garstang's Auricularia here:
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Answer:
4
Explanation:
If one cell divides three times there will be three new cells, divides two times there will be three cells, divides one time there will be two cells so the answer is 4