A. Species adapt over time based on the environmental selection pressures. Individuals cannot go through evolution, since evolution consists of natural selection, which chooses for individuals with certain advantageous characteristics to survive, and for the individuals with disadvantageous characteristics to die. The favourable allele coding for the advantageous characteristic in individuals will then be passed on to their offspring, and natural selection continues.
Hope this helps! :)
Yes. There are more organisms at the bottom since many other animals feed of of grass, flowers, or dirt, worms, butterflies, grasshoppers, bees, and a lot more. All of these animals depend on just the sun making grass grow.
Answer:
The small population of zooplankton have an unequal effect on the marine community.
Explanation:
According to this question, there are three trophic levels of organism in a lake as follows: non-native fish, zooplankton, and algae. However, due to the declination in the number of zooplanktons in the lake as they were fed on by the non-native fish, the algal population increased to form a BLOOM.
This bloom of algal species can be attributed to the lack of zooplanktons, which represented the only herbivorous (plant eaters) organism in that community. Hence, their relatively small population have an unequal effect on the marine community. This means that the small population of zooplanktons caused an imbalance in the community and this is why ZOOPLANKTON is the keystone species in this scenario.