Explanation:
The exchange of gases between the blood and tissue cells is internal respiration. Finally, the cells utilize the oxygen for their specific activities: this is called cellular metabolism, or cellular respiration. Together, these activities constitute respiration.
Answer: unconformity
Explanation: I took the test.
I had this question when I took a biology class cuz I chose to study a lot on paleontology :)
It’s that there’s fossils of animals in geological strata that are older than the Cambrian explosion.
Some fossils from the ediacaran period have been discovered in layers aged to the Cambrian
<span>Food chains and webs not only describe the order in which organisms are eaten, but they also describe the flow of energy in an ecosystem ...
Hope it heps !!!</span>