Pretty sure the correct answer is D
Anemia is the condition describing either a decrease in the number of red blood cells or the hemoglobin within the red blood cells
It is a perfect example of a natural selection.
(I'm not sure if this is the exact answer that you are looking for.)
Bedrock striations. Striations are marks or lines in the bedrock caused through glacial movement
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.