Describe an organism that uses both asexual and sexual reproduction

Which of the following will not cause mass extinction? a. drastic change is weather b. geological change c. both a and b d. none of the above

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?

What will happen if deforestation continue to destroy the green plant on the planet