Answer:
to continually produce energy,your organs need oxygen and the oxygen is carried in your red blood cells.
Answer: Tropical rain forests experiences no seasons because it is just hot all year round while temperate rain forests experiences four seasons. Tropics also receive the most sunlight in the planet while temperate rain forests receive light at a slanted angle.
The amount of available resources in the ecosystem must change at a predictable rate.
Answer: Gray whales are the common ancestor of the Blue and Humpback whales.
Ancestors of Blue whale include: Gray?
The process that connects glycolysis and the citric acid cycle is the acetyl CoA formation.