Intro to Ecology

Multiple Choice

What is the most basic unit of life?

• cell

• tissue

• organ

• organ system

Multiple Choice

Which of the following is the correct order of organization in living things from most basic (simple) to most complex?

• a.  Organism, cell, tissue, organ, organ system

• a.  Organ system, organ, tissue, cell, organism

• a.  Cell, tissue, organ, organ system, organism

• a.  Cell, organ, tissue, organ, organism, organ system

Levels of Ecological

Organization

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Organism:

individual member

of a species or

population.

Ex. One deer

Levels of Ecological

Organization

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Multiple Choice

What level of ecological organization does the bird represent?

• Organism

• Population

• Community

• Ecosystem

Population: multiple

organisms of the

same species living

together.

Ex. All of the deer in a field.

Levels of Ecological

Organization

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Multiple Choice

Which of the following describes #2?

• An ecosystem is the interaction between biotic and biotic factors.

• A community is a group of different populations in the same area.

• An organism is one living thing.

• A population is a group of the same organisms.

Community:

multiple populations
of different species

living together.

Ex. All of the deer, birds,
plants, insects, squirrels,

etc. in a field.

Levels of Ecological

Organization

© It‘s Not Rocket Science®

Multiple Choice

What level of ecological organization do the organisms represent?

• Species

• Population

• Community

• Ecosystem

Ecosystem:

community PLUS all
of the abiotic factors
in the environment.

Ex. All of the deer, birds,
plants, insects, squirrels,

etc. in a field AND the

temperature, precipitation,

etc.

Levels of Ecological

Organization

© It‘s Not Rocket Science®

Multiple Choice

Gases

• Biotic factor

• Abiotic factor

Multiple Choice

Bacteria

• Biotic factor

• Abiotic factor

Multiple Choice

Soil or dirt

• Biotic factor

• Abiotic factor

Multiple Choice

A zebra skeleton

• Biotic factor

• Abiotic factor

Multiple Choice

What level of ecological organization does this entire picture represent?

• Organism

• Population

• Community

• Ecosystem

Biome: multiple

ecosystems that share

similar characteristics but

are located in different

parts of the planet.

Ex. Grassland, tundra, etc.

Levels of Ecological

Organization

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Multiple Choice

What is a biome?

• one individual of a species

• all the different populations of species that live together in an area

• all the biological communities and their physical environment

• a group of similar ecosystems that share similar climates and animales

Biosphere: the zone

of life on Earth,

encompassing all of
Earth’s ecosystems.

Levels of Ecological

Organization

© It‘s Not Rocket Science®

Reorder

Reorder the following from least to greatest (from left to right).

• organism

• population

• community

• ecosystem

• biome

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Multiple Choice

The temperate decisuous forest, the tropical rain forest, the desert, and the tundra are all examples of...

• the biopshere.

• biomes.

• ecosystems.

• communities.

Multiple Choice

Which of the following is a population?

• hawks, barred owls, and eagles on NC coast

• mountain stream

• all the frogs in a pond

• blue-tailed skinks (lizards) around a barn

Multiple Choice

An ecosystem contains living and nonliving things.

• True

• False

Multiple Choice

A place where an organism lives.

• Terrain

• Habitat

• Community

• Population