Answer:
Explanation:
Btw, quizlet is amazing for answers <3
Answer:
The options are
A) they may affect several populations in an ecosystem
B) they cannot be caused by human activity
C) they affect food chains but not food webs
D) They have no effect on living organisms in an ecosystem him
The answer is A) they may affect several populations in an ecosystem
Explanation:
Environmental changes include deforestation and climate changes. Organisms depend on their habitat and climatic conditions for their survival because it determines their food availability too.
When environmental change occurs they may affect several populations in an ecosystem.
MRNA it is the messenger, for it "feeds" information
The cell wall protects the cell from other bacteria and virus attacks.I also forms a protective suit around the cell.
