1. What do viruses depend on for their

reproduction?

Scientists notice structural similarities between fossils of a land animal and an aquatic organism. They know the similarities are not a result of the two organisms having to adapt to similar environments.

What is the most common rock on earth

What was Friedrich Miescher's contribution to the discovery of the genetic code? A) He created the first photograph of the structure of DNA. B) He discovered how the DNA bases pair together. C) He created the first accurate model of DNA's structure.

The surface area of a sphere can be approximated as follows: Surface area = 4πr2; where r is the radius of the sphere; π is a constant that is roughly equal to 3.

How would the path of urine flow through the excretory system be different if humans did not have a urethra or urinary bladder? Could we consciously control urination if these organs were missing? Adequately explain each of your answers.

Name four classes that belong to the phylum Arthropoda

Aside from chromosomal abnormalities, all members of each species have the same number of chromosomes. True False

Why would cactus needles be an advantageous adaptation

What is an experiment

What indicates a positive test for the presence of starch?