Elephants exhibit herding behavior. When they travel, the oldest and largest members often travel on the outer edges of the group. Why is this important to the survival of the species?

A.
Elephants have few offspring, so they need to protect them from predators.
B.
Elephants have large numbers of offspring, so they need an organized system of travel.
C.
This arrangement allows adult members of the groups to spot mates.
D.
This arrangement allows young members of the group to spot food more easily.

The answer is letter A.

Explanation:

Because the elephants have few offspring and they need to form a barrier to keep Predators from getting their offspring. Thus, the answer is A.

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u