What is the order of these trophic events in the Pacific ocean? 1. Kelp populations declined.

2. Sea otter populations declined.

3. Sea urchin populations increased.

4. Atmospheric carbon absorption decreased

A. 1, 3, 4 then 2

B. 2,1,4 then 3

C. 2,3,1 then 4

D. 4,3,1 then 2

Which conditions are necessary for natural selection to occur? select all of the answers that apply. a. inheritable adaptations vary among individuals. b. the population size is increasing. c. more individuals are born than can survive. d. fitness varies among individuals. e. the environment changes suddenly and drastically.

Rotenone is an insecticide that is toxic

Glucose is broken down in different ways, both in the presence and in the absence of oxygen. using the table for reference, what major products are formed in each reaction set?