Ecology and Ecosystems Quiz

Which level of organization of life does this photo best represent?

• A population

• A species

• A community

• An ecosystem

The photo shows a thriving cattail population. Which two factors allow this cattail population to thrive in its ecosystem?

• A harsh, cold climate

• Adequate sunlight

• Plentiful freshwater

• Nutrient-poor soil

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

Which factor is different between the tundra biome and a tundra ecosystem?

• Type of plants

• Climate

• Soil moisture

• Size

Ticks live by feeding on the blood of mammals, birds, and other animals. Which term best describes the role of a tick living on another animal?

• Producer

• Parasite

• Prey

• Predator

Tags

NGSS.MS-LS2-2

Suppose a disease wipes out most of the fox population in the food web shown. Which two populations are most likely to increase as a result?

• Green plant

• Mouse

• Rabbit

• Mountain lion

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

The diagram shows a model of the nitrogen cycle. Which role do plants play in the nitrogen cycle?

• They take the nitrogen found in soil and turn it back into nitrogen gas.

• They take up the usable forms of nitrogen found in soil.

• They break down wastes and return nitrogen compounds to soil.

• They take up nitrogen gas directly from the atmosphere.

The diagram shows an energy pyramid. Which food chain shows the path of energy through individuals in the pyramid?

• Bird → Snake → Mouse → Plant

• Plant → Mouse → Bird → Snake

• Plant → Mouse → Snake → Bird

• Plant → Mouse → Mouse → Plant

Tags

NGSS.MS-LS2-3