Microevolution a. refers to evolution at or below the species level b. includes evolution at the population and community level c. analyzes the history of life over time d. refers to evolution above the species level is based on direct observation

Which of the following is not an example of conflict between related individuals?

Living cells cannot use heat to provide the activation energy for biochemical reactions because which choice(s) complete the sentence correctly? a) answer choice ii. eliminate b) answer choices ii and iv. c) answer choice iii and iv. d) all answers can complete the sentence.

Which layer will become saturated first when rain falls?