Answer:
B is the answer
B. Improved living conditions resulted in a decline in the mortality
rate.
Hope it helps
Answer:
Option A: True
Explanation:
Insectivorous birds such as bluebirds, dippers and flycatchers prefer to eat medium-sized insects. This is because like most birds, they love easy and satisfying meals. To the birds, a medium-sized insect is a good compromise because it is quite easy to chew and digest and at the same time, easy to find.
As a result, most insectivorous birds prefer to get their daily ration of proteins from the medium-sized birds.
Answer:
B
Explanation:
a cell does NOT destroy energy