Biomes and Ecology

All of the living and nonliving things in an area that interact with each other are called a/an ______.

• community
• habitat
• population
• ecosystem

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NGSS.MS-LS2-3

NGSS.MS-LS2-4

Food webs such as the one shown were first used in 1927 by the animal ecologist Charles Elton. The food web below represents the feeding relationships among organisms in an Alaskan ecosystem. An environmental change that removed which of these organisms from the ecosystem would cause the most instability in the ecosystem?

• Auklets

• Foxes

• Salmon

• Zooplankton

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NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

The four butterflies in the illustration represent the offspring in the F₁ generation. Which statement is best supported by the phenotypes of these offspring?

• The F₁ generation is composed only of males.

• Two of the offspring in the F₁ generation will not be able to reproduce.

• The F₁ generation is the result of a dihybrid cross.

• Two of the offspring in the F₁ generation will experience a spontaneous mutation

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

What does the graph represent?

• Emigration
• Exponential growth
• Immigration
• Logistic Growth

An area where an organism finds food, shelter and water in a specific arrangement

• niche
• biosphere
• biome
• habitat

The study of how living things interact with one another and with their environment.

• Biology
• Lithology
• Ecology
• Farmacology

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Different populations living and interacting with each other in the same area

• Biome
• Ecosystem
• Community
• Niche

Tags

NGSS.MS-LS2-2

Which of these organisms is the secondary consumer?

• Owl

• Mouse

• Grass

• Grasshopper

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

How much energy is transferred between trophic levels?

• 25%

• 20%

• 10%

• 90%

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

No two species can occupy the same niche

• Competitive Exclusion Principle 
• Limiting Exclusion Theory
• Competitive Limiting Principle
• Limiting Competitive Theory