With two coins, both coins are tossed 100 times. How many times do you expect to get 2 heads? How many times do you expect to get 2 tails? How many times do you expect to get one head and one tail?

For a cell with 22 chromosomes state how many chromatids

Food is contained in the gastrointestinal tract from the time of ingestion until it is completely digested and the waste prepared for elimination. True False

Arrange the stages of the adaptive management approach in their correct order.

With age, the tissues making up a heart valve can lose flexibility and become stiff and narrowed while retaining their one-way closure properties.

Which of these is best described as being on the arm of a spiral? A. the moon within earth's orbit B. earth within the solar system C. the milky way galaxy within the universe D. the solar system within the milky way galaxy

Metamorphic rocks can be made up of newly-crystallized minerals formed during metamorphism but they can also include pre-existing minerals unchanged since their crystallization in an igneous rock.

How do the lungs of spiders differ from human lungs?

Newly formed sperm cells pass through the seminiferous tubules to the

Is it possible to have a food web without producers? Explain

Waves in the ocean transfer energy in which direction?