1. normally, healthy populations produce graphs that are pyramidal in shape. what do
you think caused the base of this pyramid to "shrink"?

Answer and Explanation:

The progressive loss of energy at each trophic level puts a natural limit on the total biomass that can exist at each successive trophic level. In a stable ecosystem, the biomass in any trophic level should be more than the successive level in order for it to support the successive levels.

ι вєℓινє тнє αиѕωєя тσ уσυя qυєѕтισи ιѕ в. ℓуѕσѕσмє

ι нσρє тнαт ι ¢συℓ∂ нєℓρ уσυ.

he movement of air through earth's or any planet's atmosphere is called wind, and the main cause of earth's winds is uneven heating by the sun. this uneven heating causes changes of atmospheric pressure, and winds blow from regions with high pressure to those with low pressure.

i hope this : )