Which example describes a behavioral adaptation? A. A bird builds its nest in the ash near a volcano.
B. A whale has the ability to hold its breath for 20 minutes.
C. A fox's hair is white in the winter and brown in the summer.
D. A monkey has long arms that allow it to swing from one branch to another.

What is one way in which a discovery that is made by using cell technology could change existing scientific knowledge? a. a discovery could lead to a change in experimental methods. b. a discovery could lead to a replacement of a scientific theory. c. a discovery could lead to a new brand of cell culture medium. d. a discovery could lead to a new material for culture flasks.

Which best describes red blood cells? a. they are colorless b. they protect against disease-carrying microorganisms c. they transport oxygen throughout the body d. they aid in blood clotting

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.