Q: All living organisms must have what ability, in order to make more organisms like themselves? Choices: - absorption - cloning - variation - reproduction A:
reproduction

Q: Which single most factor is responsible for the extinction of hundreds of species of birds? Choices: - diet - animal actions - habitat - human actions A:
human actions

Q: Q: Surface tension of alveolar fluid, which is mostly water, creates an inward pull of the tissue of what organ? Choices: - spleen - brain - heart - lung A:
A: lung

Question: Q: Just about all life processes depend on what? Choices: - air - carbon - meat - water A:
Answer: water

*Question*
Q: Ocean water releases dissolved carbon dioxide into the atmosphere when what happens to the temperature? Choices: - Later - Drops - Goes Down - it rises A:
**Answer**
it rises

(Q).
Q: Bicarbonate is the second most abundant anion in the blood. its principal function is to maintain your body's acid-base balance by being part of these? Choices: - curb systems - stream systems - compound systems - buffer systems A:
(A).
buffer systems