After spending years in the ocean, a mature salmon swims up its home river to return to its birthplace. this behavior is an example of a (n) :

Texas makes up 7% of the total area of the United States true or false

A group of individuals of the same species that live in a specific area is called a

At the end of meiosis I, how many copies of DNA is there? 1? 2? 4? 23

Which of the following is the largest? Bronchi, capillaries, bronchioles, or alveoli

The base of a pyramid is built from organisms that primarily

An over-response of the body to a specific substance is called

The thymus functions strictly in maturation of t cells. the thymus functions strictly in maturation of t cells. a. True b. False

A plant that has red flowers was crossed with a plant that has white flowers. All of the offspring produced pink flowers. In this plant: A. the gene for red flowers is dominant. B. the gene for white flowers is dominant. C.

The process by which unspecialized cells become specialized cells is called

How does the mass of an object affect its a its acceleration during free fall