Answer:
Fat has more than twice as many calories per gram as carbohydrates and proteins.
Explanation:
They decrease because the zebra mussel were taking their resources. Leaving them nothing to eat.
Evolution is caused by genetic mutations that become favorable for survival.
For example if a bird has a mutation that gives it a longer beak and it lives in an environment in which a longer beak lets the bird catch more food- the longer beak becomes a favorable trait.
Now the bird is able to survive “better” thus it lives longer(due to its ability to catch more food). Because of this it reproduces more and passes the trait on to its offspring.
Overtime this mutation takes over the population of birds in the area.
Answer:
True
Explanation:
because it can be a limiting factor in an ecosystem
Your answer should be A. by observing the formation of sedimentary rocks.