In the process of genetic engineering, what is the correct order of the steps?

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

Isotopes of the same element have differ in their

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic