Practice test

The food web below shows organisms in a mountain ecosystem.

The deer, rabbit, grasshopper, and caterpillar are classified as the primary, or first-level, consumers in this ecosystem. What evidence from the food web supports this statement?

• They are eaten by other organisms in the food web

• They feed the producers

• They compete with the carnivores for food

• They are prey for the herbivores in the food web.

Tags

NGSS.MS-LS2-1

What is the trophic level of the robin in this food chain?

Oak tree --->Caterpillar---> Robin---> Fox

• Third-level consumer

• Second-level consume

• First-level consumer

• Producer

Tags

NGSS.MS-LS2-3

Which of the following lists three processes or events that add carbon dioxide to the atmosphere?

• denitrification, photosynthesis, and erosion

• cellular respiration, photosynthesis, and volcanic eruptions

• cellular respiration, volcanic eruptions, and forest fires

• forest fires, volcanic eruptions, and lightning

What type of ecosystem process is a volcanic eruption?

• Human

• Chemical

• Geological

• Biological

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS3-1

NGSS.MS-ESS3-2

Abiotic factors that contribute to the great number of biotic factors in tropical rain forests include

• variable temperatures and lack of parasites

• nutrient-rich soils and high humidity.

• cloud cover and symbiotic associations

• ample water and warm temperatures

Tags

NGSS.MS-LS2-1

What is the first step in investigating any ecological question?

• Conduct an experiment

• Come to a conclusion.

• Make observations.

• Make a computer model.

When conducting a biological study or experiment in the field which equipment is the most important?

• Field guide about wildflowers

• First aid kit

• Heat-resistant gloves

• Thermometer

Ecologists are most likely to collect data when using which ecological method or methods?

• modeling

• experimentation

• observation and modeling

• observation

Tags

NGSS.MS-LS2-1

The food web below shows four trophic levels within an ecosystem

Which organism is part of the trophic level that stores 10% of the initial amount of solar energy that has entered the food web?

• . Tree

• Snake

• Hawk

• Deer

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which is a geological process that reduces atmospheric carbon dioxide?

• Formation of fossil fuels

• Rainfall

• Growth of algae

• Burning of forests

Tags

NGSS.MS-LS1-6