Question 8 6.25 pts
Which of the following is NOT a reason for why nitrogen is important to life on Earth?
a. Nitrogen is used to make organic matter, including proteins.
b. Consumers obtain nitrogen into their bodies by eating organisms that contain nitrogen, such
as plants,
O All of these are important to life.
Nitrogen is a necessary nutrient for plants.
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The embryos of a bird, a reptile, and a mammal are similar in appearance. how does comparing the physical appearance of embryos of different species support the theory of evolution? a. it shows that these organisms share a common ancestor. b. it provides evidence that these organisms eat the same foods.c. it shows that these organisms share the same habitat.d. it provides evidence that these organisms suffered a genetic mutation.