What causes genetic variation in a population? environmental changes random mutations favorable adaptations

Which factors are most likely to limit the growth of the coral reef in the Caribbean

If a moon were discovered to be at 1.5AU from the sun, it would be how far from the sun in kilometers? A. 22,500km B. 225,000km C. 22,500,000km D. 225,000,000km

Blood type in humans is an example of trait that has multiple alleles. The alleles for type A blood and type B blood are codominant, and type O blood is recessive to both type A and type B.

How does meiosis differ in males and females

What is the structures and functions of the circulatory system?

Think about the following items: a candle flame, a balloon floating in the air, and bubbles blown from a bubble wand. Describe characteristics that could indicate life in these items, and characteristics that show they are not alive.

If a person wanted their child to have 6 fingers on each hand, explain how you think a doctor would be able to accomplish this

Why are you less likely to find fossils in metamorphic rocks?

What is the ultimate energy source for most forms of life on earth?

How is the skeleton similar to the frame of a house? both are made of calcium. both provide shape and support. both allow movement. both separate the structures into compartments.?