Biology Review Feb 1

According to the graph, how many mice will be born in week 5 if the trend continues?

• 160

• 140

• 90

• 100

The unique properties of water enable life to exist on Earth. Which of these is a property of pure water?

• It has a low heat absorption capacity.

• It dissolves many substances.

• It is slightly more acidic than air.

• Its solid form is more dense than its liquid.

In the cell membrane model above, the molecules which move large molecules into and out of the cell are

• phospholipids

• carbohydrates

• proteins

• cholesterol

Some peeled pieces of apple were placed in distilled water and some very salty water. The cells in the apple pieces will---

• lose water in the distilled water and gain water in the salty water

• gain water in the distilled water and lose water in the salty water

• lose water in both solutions

• gain water in both solutions

Which of these statements best summarizes the cell theory?

• Cells can be seen through a microscope.

• Cells contain a nucleus and other parts.

• Cells come in different shapes and sizes.

• Cells are the building blocks of living things.

A student's experiment showed that earthworms move away from light. This statement should be classified as...

• an inference

• a conclusion

• a predication

• a hypothesis

Which statement best describes her hypothesis?

• She counts the robins in her yard once a week for two years.

• She thinks that some robins must migrate in the winter.

• Her research has shown that some robins are not in her yard during the winter.

• A student notices fewer robins in her yard during winter.

This graph suggests that from 1820 to 1940, the carrying capacity for Tasmania was approximately...

• 0.75 million

• 2.25 million

• 1.75 million

• 1.00 million

According to the data in the graph, during which time period did the overall bluegill population decline?

• 1993-1996

• 1990-1993

• 1996-1999

• 1999-2002

This graph shows the sizes of lynx and hare populations between the years of 1845 and 1940. If a predator of the lynx enters the food chain, you might expect the number of -

• hares and lynx to decrease

• lynx to increase

• hares to increase

• lynx and hares to become equal