Indicate the correct designation of the paired sex chromosomes.

male:

female:

XX

XY

YY

XX

XY

YY

The map above shows some of Earth's plate tectonic boundaries. Based on the map, volcanic activity would most likely be found at - A) Location W B) Location X C) Location Y D) Location Z

Which of the following is a factor that can stop normal cells from growing? Select one: a. contact with other cells b. growth factors c. a cut in the skin d. cyclin that has been taken from a cell in mitosis

2 real life examples of gamete

Only a small portion of the organisms that lived in the geologic past have been preserved as fossils. which condition best increases the chance that an organisms will become fossilized?

In what ways are natural resources used to make to make people's lives more comfortable?

Many functions in the body are controlled by special compounds. Which statements about these compounds do you think are true? Check all that apply. The body can make all of the compounds it needs. The body gets energy from some compounds.

The wide range of eye color indicates that eye color is

you are using magnets in the classroom. During science you keep hearing your classmates drop the magnents. What testable question can you develop based on this observation?

Darwin argued that the beak size and shape of Galapagos finch species was related to their a. body size. b. food source. c. time of reproduction. d. flight pattern.

What is an earth revolution, what shape is it's path, and how long it last