An experiment in which only the variable the manipulated variable, is changed at a time is called an

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

What type of genetic drift would be simulated if all the beans that were not selected died out?

What are examples of the plant life and animal life that can be found in each type of terrarium