Which is a biotic component of a marine ecosystem? detritus on the ocean floor the oxygen concentration of the water rocks on the ocean floor?

Mention true or false : a) cholera is marked by acute diarrhea and no urination. b)mosquitoes are the source of dysentery germs.

Living cells cannot use heat to provide the activation energy for biochemical reactions because which choice(s) complete the sentence correctly? a) answer choice ii. eliminate b) answer choices ii and iv. c) answer choice iii and iv. d) all answers can complete the sentence.

What is a group of organisms that are closely related and share similar characteristics