<span>It would be easier for harmful substances to enter.
</span>
A. Lungs are strenghtened through cardiovascular exercise.
Obviously they look at the root or whatever they may call the part that connects the follicle to the scalp.
No more than five trophic levels are present in an ecosystem, most have only 4.
Answer:
D=Human
C=Chimpanzee
B=Mouse
A=Snake
Explanation:
Snakes do not have fingers/hands therefore they don't have anything in common with the other organisms besides from being alive.
Next is the mouse because they have hands but have a tail and are from a different species/group than humans and chimpanzees.
Next is chimpanzees because they are in the same class as humans but humans are more advanced.