Human skin color varies widely around the world, and children do not always exhibit the exact same coloring as their parents. based on this information, what is true about human skin color? is it a.
skin color is not a genetic trait. or b.
a single pair of alleles controls this trait. c.
it’s an example of incomplete dominance. d.
it’s an example of polygenic inheritance.

Remote sensing of the earth's surface and atmosphere may involve the use of what type of instruments?

Mount saint helen the great lakes and death valley are physical features of the earth which scientific term describes these features

An ecosystem is shown in the illustration. assume that human activities have led to a decrease in the number of eagles. a virus attack on rabbits has led to a decrease in their population in the ecosystem. which two sentences describe likely effects on the ecosystem? 1. there’s an increase in the number of snakes and insects and a decrease in the number of frogs. 2. there’s an increase in the number of snakes and insects, and the storks face increased competition for food. 3. there’s an increase in the number of storks and a decrease in the number of snakes and insects. 4. there’s an increase in the number of frogs and a decrease in the number of storks and insects. 5. there’s a decrease in the number of snakes, insects, and frogs.