Answer:
the research of threatened species
is the answer because Conservation biology is the management of nature and of Earth's biodiversity with the aim of protecting species
Explanation:
Answer: B, C, E
Explanation:
We breathe in oxygen, which travels to the alveoli in our lungs. The alveoli "gives" oxygen to the capillaries, which carry blood. The capillaries "give" its carbon dioxide (which is what oxygen becomes when used by our body) to the alveoli. The carbon dioxide travel back out when we exhale. Although, the air we breathe out has some oxygen content.
Enzymes lower the activation energy of a chemical reaction.
Lysosomes are subcallular organelles which perform many important cellular functions
