Ch. 3.1 & 3.2 Ecology

The branch of biology dealing with interactions among organisms and between organisms and their environment is called:

• economy

• modeling

• recycling

• ecology

Tags

NGSS.MS-LS2-2

Plants are: (Choose 2)

• primary producers

• primary consumers

• herbivores

• autotrophs

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The grass at the beginning of the food chain pictured is a:

• primary consumer

• decomposer

• primary producer

• heterotroph

Tags

NGSS.MS-LS2-3

The grasshopper in the food chain pictured is a:

• primary consumer

• decomposer

• primary producer

• heterotroph

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is the correct order of the levels of organization of an ecosystem from smallest to largest?

• ecosystem, biosphere, species, population, biome, population

• community, ecosystem, species, biome, biosphere, population

• species, population, community, ecosystem, biome, biosphere

• biosphere, biome, ecosystem, community, population, species

How do MOST primary producers make their own food?

• They change water into carbon dioxide.

• They use light energy to make carbohydrates.

• They break down remains to make carbon dioxide.

• They use chemical energy to make carbohydrates.

Tags

NGSS.MS-LS1-6

A grouping of more than one kind of organism in a defined area is called:

• a community.

• a population.

• an ecosystem.

• a species.

Which of the following organisms does not require sunlight to live?

• algae

• photosynthetic bacteria

• trees

• chemosynthetic bacteria

Which ecological method is an ecologist using when he or she asks "How does an animal protect its young from predators?"

• Observation

• Experimentation

• Modeling

Which ecological method is an ecologist using when he or she sets up a greenhouse to see how growing plants react to different conditions?

• Modeling

• Observation

• Experimentation