A bioindicator is a living organism that gives us an idea of the health of an ecosystem. Some organisms are very sensitive to pollution in their environment, so if pollutants are present, the organism may change its morphologyphysiology or behaviour, or it could even die. Hope that helped!
Answer:
the moon orbit earth every 27.3 days ,while the earth orbit the sun every 365 .25 days .
Explanation:
Jean- Baptiste Lamarck said that organisms work toward perfection, acquire the physical traits that their parents had, and if they don't use some body part then it will disappear. ... could be generalized to any population of organisms.
I’m pretty sure it’s D, the others don’t make sense??
Pollen and asexual reproduction are two :)