A population decrease in primary producers would affect the ecosystem negatively because everyone who ate the primary consumers would have a lack of food.
Explanation:
vascular because it has spores
vascular because it has true roots
nonvascular because it has spores
nonvascular because it has true roots
Answer: D
Explanation: Oxygen plays a vital role in energy production via a system called electron transport chain , which is an important component of cellular respiration. ... Oxygen acts as a final electron acceptor that helps move electrons down a chain that results in adenosine triphosphate production
Answer:
cardiovascular system
Explanation:
Blood, a connective tissue of the cardiovascular system, transports materials to and from cells through a network of blood vessels (i.e., arteries, veins, capillaries). Oxygen is carried by red blood cells, and nutrients are dissolved in the blood's plasma.
Answer:
C.
Explanation:
Because of the A on top, both boxes in the first colnum should read Aa.
