What is the greatest challenge to organisms that live in a desert biome? a. hot temperatures b. water loss c. sandy soil d. strong winds

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

Deer cave cannot support photosynthesis is as not enough sunlight is present. in spite of this, it still has a complex food chain. what is the energy foundation of this food chain?

How does a gymnosperm prevent itself from pollinating the same tree