Ecosystem

Which of the following describes a biotic factor that would be an advantage to a certain species of freshwater plants in a pond ecosystem?

• Increased rainfall that leads to the habitat of the plants covering more area

• Toxic waste and trash being dumped into the pond where the plants live

• Reduction in the population of fish in the pond that eat plants

• Introduction to the pond of another species of plants that compete for resources

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

Which of the following correctly lists the levels of organization from least complex to most complex?

• Community, Organism, Population, Ecosystem

• Population, Community, Ecosystem, Organism

• Organism, Population, Community, Ecosystem

• Ecosystem, Population, Organism, Community

Which of the following is a description of an abiotic factor that makes up part of a desert habitat?

• Sparse growth of cottonwood trees

• Extremes of day and night temperatures

• Few large predators, such as coyotes

• Leafless, waxy-coated plant with sharp spines

Which organizational level of the ecosystem does a pack of wolves represent?

• Ecosystem

• Organism

• Population

• Community

Tags

NGSS.MS-LS2-4

What is the primary source of energy for most ecosystems?

• Geothermal heat

• The Sun

• Wind

• Water currents

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What reasoning would you use to explain why biodiversity is typically higher in a rainforest than in a desert?

• Rainforests have more sunlight.

• Deserts are cooler than rainforests.

• Rainforests have more varied resources and stable climates that support diverse species.

• Rainforests are larger in area than deserts.

Tags

DOK Level 3: Strategic Thinking

Which of the following best describes the relationship between predators and prey in an ecosystem?

• Predators and prey do not interact.

• Predators eat prey, which controls the population of the prey species.

• Prey eat predators as a primary food source.

• Predators and prey cooperate to find food.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

In an ecosystem, plants are considered:

• Consumers

• Decomposers

• Producers

• Omnivores

Tags

NGSS.MS-LS2-3

Plan a project to analyze the effects of deforestation on local biomes.

• Write a poem about trees.

• Measure tree heights in a deforested area vs. a non-deforested area over a year.

• Watch a documentary on forests.

• Paint a picture of a forest.

Tags

DOK Level 3: Strategic Thinking

What is the primary function of chlorophyll in the ecosystems?

• To absorb water

• To produce carbon dioxide

• To absorb sunlight

• To release oxygen

Tags

DOK Level 1: Recall