B. vertebrates and invertebrates.
Answer:
<u>prokaryotes</u>
Explanation:
The first living things on Earth, single-celled micro-organisms or microbes lacking a cell nucleus or cell membrane known as <u><em>prokaryotes</em></u>, seem to have first appeared on Earth almost four billion years ago, just a few hundred million years after the formation of the Earth itself.
<em>HOPE THIS HELPED </em>
<em>MARK BRAINLIEST</em>
The sisters are different heights because one or both of the parents has a short allele that wasnt dominated by the tall allele, or vice-versa.
Red giant or red supergaint (its the same thing)
