Quiet inspiration is _an active process_, and quiet expiration is _a passive process_.
Answer:
Biologists measure the number of trophic levels in an ecosystem so as to check its stability and health.
Explanation:
Trophic levels are the feeding position in a food chain such as primary producers, consumers, etc. They are positions that an organisms occupies in a food chain (series of steps in which organisms transfer energy by eating or being eaten);- what it eats and what eats it.
Theoretically there is no any limit to the number of trophic levels in a food chain or number of organisms that live on each level.
1.) working or acting together for mutual benefit
2.) Adaptation evolves
3.) increases the reproductive success
Answer:
c
Explanation:
due to low light illumination there would very low level of oxygen at the bottom of the sea therefore hindering the survival of these organisms
Answer:
The sinking of cold air creates regions of high pressure and this air travels to lower pressure regions produced by the rising motion of warm air. This process results in air circulation.
Explanation:
