The krebs cycle uses the product of glycolysis (pyruvic acid) to generate electron carriers. the krebs cycle occurs in the nucleus.

a. true

b. false

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.

What would happen if the krill were removed from the food web

Approximately percent of the energy created by cell metabolism is used by the body to carry on its normal functions, such as respiration, digestion, reproduction, muscular movement, circulation, and cellular regrowth.