The process by which chloroplasts were derived from photosynthetic bacteria is called

Groups of organisms with low biotic potential, such as gray whales, that produce at most one offspring every other year a) are r-selected b) are k-selected c) are not subject to density-dependent limiting factors d) show the initial stages of the extinction process e) have escaped from the processes of natural selection and adaptation

In "the man in the water," what was the remarkable occurrence that rosenblatt reported?

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million