They have preserved areas of pollution free, ecosystems and kept them that way. eco systems are damaged by the human footprint. Also, they keep the predators and prey in balance through controlled hunting to make sure there is a balance.
A, the red flower is a dominate allele, While the white are recessive.
<span>A stroke can be caused by a blocked artery or the leaking of a blood vessel .</span>
Question: Which describes the variable that is changed to test the prediction?
A)dependent
B)experimental
C)control
D)independent
Answer: The variable that describes the changed to test the prediction is "independent."
Explanation:
The independent variable is the factor which gets changed or can be controlled to see its effect over the experiment. Only the independent variable responds to the changes. The independent variable will be shown on the x- axis. The age and time are two different independent variable. These two factors are independent of everything else. The variable which can be easily manipulated during the experiment is called as the independent variable.
