Which part of a seed plant develops into sprem cells?

What are two roles prokaryotes play in the cycling of elements in an ecosystem

Which of the following provides the best biogeographical evidence to support the theory of evolution?

1. Bears hibernate during winter, since food is scarce (low) during winter. If the bears don't find a suitable place to hibernate, they will most likely die. What is the main reason for bears to die?

The etiology of eating disorders underscores the importance of equifinality, which is the idea that a. eating disorders always cause death. b. eating disorders are entirely caused by genetic factors. c. all eating disorders develop in the same way.

RAnDoM tHoUgHt PART TWO ... Humans can't see air, correct? But we can see water ... but can fish see AIR and not see WATER? think about it ...

Which of the drugs listed below would be identified as a stimulant?

During strenuous exercise, oxygen used in ATP production can become depleted. How would the muscle cells respond to the lack of oxygen?

Do chickens have large talons?

Some folded mountains result from the collision of continental plates.

Suppose you chop down a plant in the woods and bring it home to examine. you cut a cross section of the stem and you note that it has pith in the center. how would you classify this plant?