Which state of matter is made up of particles that can only vibrate back and forth? a. gas b. solid c. liquid d. plasma

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

Which of the following is a way that minerals are used? a. industry construction technology d. all of the above

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?