A) Write down three letters that show arteries. b) Write down one letter that shows capillaries.
c) Write down two letters that show veins.
d) Write down three letters that show vessels containing deoxygenated blood.

What role do traits play in affecting an organisms ability to reproduce? finches

Looking at this image, what relationship can be drawn from it? the lower the degree of latitude, the lower the degree of temperature there is no relationship between latitude and temperature the higher the degree of latitude, the higher the degree of temperature the lower the degree of latitude, the higher the degree of temperature

Diagram of the evolution of land plants?