Green and brown algae share many common features. both have pigments for trapping sunlight and use photosynthesis for energy. both store their food as sugars. both have cell walls and plant-like bodies. however, their dna suggests that they are not even remotely related to one another. green algae and brown algae show evolution, since they look similar, but are not close relatives.

- Convergent

Explanation :-

Thus, since the brown and green algae look similar but are not close relatives they show convergent evolution.

the correct answer is:

a population changes in response to a change in the environment.

answer: decrease

a limiting factor is the one which decrease the abundance, distribution and causes extinction of the population of species in a ecosystem. here, predators including hawks, owls and snakes are the limiting factor for the population of mexican free tailed bat.   although bats are nocturnal animals as they forge for food at night these predators also may remain active during night which can decrease the population of the mexican free-tailed bats. also, these bats eat only one type of insects that are moths. the food can also be a limiting factor as all 400 members are dependent upon same type of food needs that are moths. the decrease in the moth population can cause decrease in population size of the mexican free-tailed bats.

therefore, the scenarios will most likely to decrease the population size of the mexican free-tailed bats.