D. Estuaries
Estuaries are a place where fresh and salt water mix.
Answer:
When a new and aggressive species is introduced into an ecosystem, it may not have any natural predators or controls. It can breed and spread quickly, taking over an area. Invasive species can change the food web in an ecosystem by destroying or replacing native food sources.
Explanation:
I majored in Biology
Answer:
a biological community of interacting organisms and their physical environment.
Explanation:
Answer:
make more money
Explanation:
if a popular flower is available all year round, there is more time for people to be able to buy that flower and it would rarely run out
physiology
Explanation:
physiology is the branch of science concerned with the function of body parts as a whole