The answer is B. The cytoplasm hold everything in place and provides structure to the cell. It keeps the organelles inside. Hope this helps!
The theory of evolution<span> by natural selection, first formulated in Darwin's book "On the Origin of Species" in 1859, is the process by which organisms change over time as a result of changes in heritable physical or behavioral traits.</span>
The shift of a figure from one place to another without rotating or reflecting
Answer:
It helps to move the blood from the lungs to heart.
Answer: Option A
Explanation:
Birds attach the bur of the plant which helps in the pollination. The birds sit on the plant and the burs of the plant gets attached in the legs of the birds which is transferred from one place to another.
Seeds at a different place will help in reproduction and growth of the plants. In this case the birds are carrier of the burs.
This is how the birds help in the reproduction of the plants by becoming the messenger.