A scientist uses materials in her lab to turn one piece of dna into 100 copies

A compass behaves as it does because the moon acts as a giant magnet.

The food coloring is not harmful to most people, but in a small number of individuals, it causes a reaction known as

When 2 atoms combine by sharing electrons, it is a (n) __ bond. A) ionic B) covalent

Which pattern of inheritance results from individual organisms having many different genes working at the same time to control a single trait? A. Incomplete dominance B. Multiple alleles C. Codominance D. Polygenic traits

How do plants produce mechanical weathering? A. They break rocks apart through acid wedging. B. They break rocks apart through frost wedging. C. They break rocks apart through root-tip wedging. D. They break rocks apart through stem wedging.

Egg and sperm are a type of these?

Is coral a plant or an animal?

What prevents blood movement from left ventricle to left atrium

What happens in an aphotic zone of a body of water

Which of the following items would be an ecosystem within the ocean ecosystem? a. marshes b. coral reefs c. rivers d. ponds