What is one effect of immigration on a population living in an ecosystem?

A) the competition for resources will increase.

B) more animals will leave the ecosystem.

C) biodiversity will decrease.

D) the population will decrease.

My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway

List charasteristics of athenosphere

Coral have a symbiotic relationship with what in order to eat?