Select all that apply.

What are disadvantages of sexual reproduction?

results in genetic variation

reduces mutations

takes time and energy

requires a mate

The method that holds the two strands of the DNA helix together is known as? a) enzyme attraction b) base pairing c) codons d) anticodons

How does the environment determine where an organism can survive. Explain.

Rocks rich in what mineral tend to have a poor solubility during weathering?

Which of these contains genetic material and is found in the nucleus?

A recurrent and more serious form of heartburn, also known as acid reflux, is called

At the center of the Andromeda galaxy is a source of x rays that scientist believe is a black hole with how many more times than the sun

True or false? The more similar two organisms are, the more distant their common ancestor is.

The blood-brain barrier a. is fully developed in humans when they are born. b. prevents many drugs from entering the brain. c. is designed to allow all drug compounds into the brain. d. cannot be penetrated, even with trauma to the brain.

Which is another name for observations? Models Predictions Data Inferences

A father has the genotype dd and a mother has the genotype dd fill in the punnett square below to show their possible offspring?