This lake was formed by melting ice that came from an ancient A) ocean. B) glacier. C) ice berg. D) snow storm.

How might severe ocean waves affect shoreline erosion? a. Storms produce large waves that remove rock from shorelines. b. Storms produce small waves that have little effect on shorelines. c.

Which is hotter? a white/blue star or a red star?

The most abundant kind of cells in plants are called parenchyma. a. True b. False

A muscle that flexes the spinal column is the

Why did the aliens come to earth A. someone is trying to kill them B. someone has accused them of murder C. they wish to take over planet earth D. they are ambassadors from their planet.

Which of the following can affect the function of a cell? a. high acidity b. high temperature c. low temperature d. all of these

What must happen to a chromosome before a cell starts mitosis?

Which statement explains why greenhouse gases are needed for the survival of life on Earth? A. Greenhouse gases are clean sources of energy. B. Without greenhouse gases, Earth would be too cold for life to exist. C.

Mary has type A blood and her husband (John) has type B blood. John's parents both had type AB. Mary and John have three children, one with type A, one with type AB, and one with type B. Relatives suspect that one of the children was adopted.

Which of these organisms is a member of Kingdom Eubacteria? A. Thermophile B. Amoeba C. Paramecium D. Cyanobacterium