Ecosystem

What would be the best definition of an abiotic factor?

• All the living things in an ecosystem

• The biological components of the environment

• All of the non-living things in an ecosystem

• Mushrooms and bacteria decomposing a dead tree

An _ is comprised of all the biotic and abiotic factors in an area and all the interactions among them.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

The clownfish provides the anemone some added nutrients and the clownfish gets some added protection, this example is a good representation of?

• Mutualism

• Competition

• Parasitism

• Journalism

Tags

NGSS.MS-LS2-2

All of the following are examples of Biotic factors except? select all that apply

• Sunlight

• Sunflower

• Water

• Water Beetle

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

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

What is the term for the variety of life in a particular habitat or ecosystem?

• Biomass

• Biodiversity

• Biome

• Biosphere

Tags

NGSS.MS-LS2-5

Design an experiment to test the effect of sunlight on plant growth in different ecosystems.

• Plant seeds in identical pots under different light conditions and measure growth over a month.

• Plant seeds in the dark and observe for a day.

• Compare plant growth by reading a textbook.

• Ask others about their plant growth observations.

Tags

DOK Level 3: Strategic Thinking

Create a detailed plan to investigate the impact of human activities on ecosystems.

• List the different human activities that affect ecosystems.

• Describe how human activities can change ecosystems.

• Develop a research plan that includes methods for collecting data on human impacts and analyzing the results.

• Memorize the effects of human activities on ecosystems.

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DOK Level 4: Extended Thinking

What is the primary reason for the diversity of organisms found in a tropical rainforest?

• The high levels of pollution

• The consistent daylight throughout the year

• The high levels of rainfall and warm temperatures

• The presence of many predators

Tags

NGSS.MS-LS2-5