The medullary cavity in the long bone of an adult is primarily filled with bone marrow.

!if we removed the wolf, snake, and hawk from this food web, what best explains the impact it would have? a) the number of producers would increase. b)the number of decomposers would increase. c)the number of primary consumers would increase. d)the numbers of primary consumers would decrease.

Sequence how oxygen accumulated in the atmosphere and the effect it had on life by completing the flowchart

This rapid change in species that rarely leaves behind fossil evidence is referred to as