Answer:
Amphibians
Explanation:
They had just shown up during the Carboniferous period and were still living in the water.
Answer:
tympanic cavity .. The primary function of the tympanic cavity is to offset the decrease in acoustic energy that would occur if the low impedance ear canal air directly contacted the high-impedance cochlear fluid.
Explanation:
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>
I think the answer would be white blood cells because the white blood cells are trying to fight the bacteria off. That’s what I think. Hope this helped
