If arranged in an energy pyramid, which organism would contribute the least amount of usable energy?
a. wolf
b. rabbit
c. mouse
d. grasses

wolf

Explanation:

Only a small portion of energy is passed from one trophic level to the next successive level. The rest is lost to the environment through respiration, excretion and decomposition.

The biomass in the producers is more than that of the successive level in order for it to support the successive level therefore because the wolf belongs to the highest trophic level,it will have the least amount of usable energy.

Wolf

Explanation:

Just took the test.

d. sodium chloride ions.

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

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