From where do we get nitric oxide

Animals do not perform photosynthesis however it is essential to our survival. explain this

For two populations to evolve into two species that look different, what must happen?

The heredity principles developed by Mendel apply only to plants. True False

Which of these is not a social institution? A. Family B. Literature C. Religion D. Education

Gregor mendel developed several laws of heredity over the course of his genetic research. What does the first law of heredity

In which stage do vertebrate embryos or offspring show the most similarities? A. Earliest stages B. Middle stages C. Just before birth D. After birth

Suppose you are an astronomer, and a child asks you to explain the organization and structure of the universe. In your own words, describe the matter found in the universe and the relationship between stars, galaxies, and planets

How do the lungs of spiders differ from human lungs?

How is wind created?

The interdependence of body systems is essential because A. very few processes are controlled by hormones. B. all systems work together to maintain homeostasis. C. each system doesn't rely on the others to work. D.