In october of 2003, a raging wildfire swept through the mountain ecosystems in southern california, burning everything in its path to the ground and driving away all of the animals. in order for the mountain ecosystem to re-establish itself, which member of the food web has to return first? a. deer b. snakes c. birds d. coyotes e. grasses

the correct option is option d

answer: accepted answer: aquatic animals use the oxygen dissolved in water to carry out respiration. since the amount of dissolved oxygen in water is low as compared to the amount of oxygen in the air, therefore the rate of breathing in aquatic animals is much faster than it is in terrestrial animals.

explanation: