to keep life going even as the environment changes
The answer should be c if not d
Answer:
The correct answer is - option C. type of car.
Explanation:
An independent variable in any study, experiment, or research is a factor or variable which is the only factor that is manipulated or changed and directly affects the dependent variable. It is a factor that influences the result with the change in it.
In this case, there are all other factors are constant except the type of cars which is the independent variable as a change in it leads to the change in the distance of rolling.
Answer:
They have evolved not to, and they don't want to look for a new host.
Explanation:
Many parasites have evolved to take from their host a small amount. Over time, it does add up, but parasites try not to kill their hosts. If they do, they will need to find a new host.
