Ecology

What does "ecology" mean?

• The study of Earth and its living things

• House

• Study

• Living things

What is an "ecologist"?

• A scientist who studies the Earth

• A scientist who studies the relationship between organisms and their environment

• A scientist who studies the animals

• A scientist who studies the forest

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Select all the ways to help the environment:

• Put trash in its place

• Recycle used batteries

• Turn off the lights when you leave a room

• Save water

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What produces one third of all oxygen in Earth's atmosphere?

• Ocean

• Ozone layer

• Amazon rain forest

• Lakes

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Which sphere of the Earth includes all living organisms?

• Atmosphere

• Hydrosphere

• Biosphere

• Geosphere

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An autotroph is also called a ______.

• Consumer

• Producer

• Decomposer

• Heterotroph

The following statement is a hypothesis formed about marsh grass: 
If the amount of nitrogen marsh grass receives is increased, then the height of the grass will increase, because nitrogen is an essential nutrient needed for marsh grass to grow.
What is the independent variable of the statement above? 

• Height of grass

• Amount of nitrogen

• Essential nutrient

• Amount of growth

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NGSS.MS-LS1-5

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A species indigenous to a certain region or ecosystem naturally is a ---

• Native Species.

• Accidental Species.

• Introduced Species.

• Invasive Species.

What is the primary habitat of most gastropods?

• Deserts

• Forests

• Freshwater bodies

• Marine environments

Blackspot fungus does not grow on roses when there is a large amount of sulfur dioxide in the atmosphere. This fungus serves as a _____

• secondary messenger

• bioindicator

• keystone species

• eco-service

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