The structure of DNA resembles a spiral

staircase, also known as a double

Blood is a tissue because it is made up of different types of specialized cells. Aside from red and white cells, what else does blood contain?

What are the two types of growth in bone

How many species of insects are there of 2017

Clownfish live in sea anemones, which protect the fish from predators. The sea anemone isn't harmed and doesn't benefit from this relationship. This is called

A molecular clock assumes that the genes used are evolving rapidly. do not alter their rates in different lineages. are evolving slowly. are all evolving at the same rate. alter their rates in different lineages.

A list of two choices that follows in a sequence for identification is a: A: dichotomous key B: Classification schema.

As a cell increases in size, which increases more rapidly, it's surface area or volume?

Which is an example of a abrasion of a rock?

If a lobster loses a claw, it is capable of growing a new one. What process makes this possible? a: meiosis b: fertilization c:sexual reproduction d:mitosis

Which of the following would be most effective way to say no