The ecosystem if the golf of Mexico includes sea urchins that live on the seafloor and eat manatee seagrass. An overpopulation of sea urchins can be harmful to their ecosystem because which of the following could occur? Question 2
Squirrels depend on trees for shelter and for food. A decrease in the population of squirrels would be expected as a result of whi
actions by humans?
Monitoring populations of organisms
Collecting soil and water samples
Hunting large predators
Clearing forests to build homes

the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.

above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.