Aquatic animals can be found in water habitats, which can be either fresh or marine. Terrestrial animals can be found exclusively in the land. Aquatic animals respire through gills or their skin. ... The main difference between aquatic and terrestrial animals is their habitat and modes of living
aquatic organisms are faced with lots of challenges,,,eg.....oilspillage on water bodies,this prevents entry of oxgen into water hence suffocation leading to death,also growth of weeds such as water hyacinth which suck nutrientss and oxygen from water,,,also aquatic krganisms are hunted by lots of predators compared to that of terrestrial
There cannot be more carnivores than herbivores because the carnivores eat the herbivores. If there wasn't enough herbivores to eat, then the carnivores would eventually become extinct.
population expansion decreases as resources become scarce, leveling off when the carrying capacity of the environment is reached, resulting in an S-shaped curve.