subject
Biology, 23.11.2020 18:50 zmerriweather167

When sea otters disappeared from the pacific coast of North America, sea urchin population increased which in turn caused the kelp bed to decrease making the ecosystem unstable. These types of species (example: otters) are crucial for the ecosystem balance?

ansver
Answers: 2

Other questions on the subject: Biology

image
Biology, 22.06.2019 05:40, Student658
Which of these substances does not protect against invaders in the nonspecific immune response? a. saliva b. mucus c. tears d. urine
Answers: 1
image
Biology, 22.06.2019 09:50, emily743
Ascientific idea becomes valid when it is what?
Answers: 2
image
Biology, 22.06.2019 10:30, imalexiscv
Coral have a symbiotic relationship with what in order to eat?
Answers: 2
image
Biology, 22.06.2019 13:20, abolton04
Imagine a self-reactive t cell that has not undergone clonal deletion in the thymus (that is to say, it has escaped central tolerance). if it encounters self antigen in the absence of an infection or inflammation, what will happen to this self-reactive t cell? (select two answers) (a) the t cell undergoes clonal expansion. (b) the t cell gains effector functions. (c) the t cell undergoes apoptosis. (d) the t cell becomes activated. (e) the t cell becomes anergic.
Answers: 1
You know the right answer?
When sea otters disappeared from the pacific coast of North America, sea urchin population increased...

Questions in other subjects:

Konu
Mathematics, 28.06.2019 03:00