Answer:
Coloring is important to survival because it could be bright as in a warning or camouflage so the animals arent easily spotted
The natural flow of rivers can be affected by several factors, such as building dams to provide drinking water, pumping of groundwater, climate change, and building of lands that change how natural water runs into surfaces and into rivers. All of these also disrupt the balance of ecosystem in the area.
It'll be much cleaner for the environment.
To help your immune system prepare for diseases
Answer:
The answer is A. Heterozygous