In a food chain, which are the most efficient users of solar energy?

• Herbivores

• Carnivores

• Omnivores

• Parasites

What kind of energy is represented in this picture?

• Thermal
• Potential
• Nuclear
• Mechanical

A scientist wanted to study a cell which lacked

the structure that contains the materials needed to

control cell activities. Which structure would need

to be missing from the cell for this study to take

place?

• nucleus

• vacuole

• lysosome

• mitochondria

Which statement correctly describes a difference between prairie dogs and strawberry plants?

• Prairie dogs can reproduce sexually and asexually; strawberry plants can only reproduce sexually.

• Prairie dogs can reproduce sexually and asexually; strawberry plants can only reproduce

  asexually.

• Prairie dogs can only reproduce asexually; strawberry plants can reproduce both sexually

  and asexually.

• Prairie dogs can only reproduce sexually; strawberry plants can reproduce both sexually

  and asexually.

Which statement describes how a plant cell’s

functions would change in the absence of a

vacuole?

• The cell would not be able to produce proteins.

• The cell would lack energy to destroy foreign

  objects.

• Fluid and wastes would not be stored within

  the cell.

• Materials would not be transported between

  the nucleus and cell membrane.

A student wants to perform an experiment to test how much water bean plants need for good growth. Which factor should be changed?

• The Temperature

• The amount of light

• The amount of water

• The amount of soil

In guinea pigs, black hair color is dominant (B) and white

hair color is recessive (b). What hair color are the

guinea pigs’ offspring?

• All black

• All white

• Mostly black with some white

• Mostly white with some black

The graph shows the population of rabbits in a field over a seven-year period. Based on the data, what is the approximate carrying capacity in the field for rabbits?

• 200

• 400

• 500

• 600

A scientist examines a structure within a cell that

contains a large amount of genetic material. Which

statement best identifies this structure’s function?

• It controls cellular activities.

• It stores food, water, and wastes.

• It gives the cell shape and support.

• It uses light energy to make sugars.

Green plants are important to animals because the

plants________

• consume food and give off oxygen

• consume food and give off carbon dioxide

• produce food and give off oxygen

• produce food and give off carbon dioxide