Environmental Science Midterm Review - Chapter 1 | Baamboozle - Baamboozle

Which is true of energy in ecosystems?

It flows in one direction

It never changes form

It is both created and destroyed

What organisms help break down dead leaves in an ecosystem?

Detritivores

Carnivores

Herbivores

A person who ate a salad made of lettuce, tomatoes, cheese, and ham is a(n) __.

Omnivore

Herbivore

Carnivore

Which best represents a food chain?

Sun → grass → rabbit → fox

Sun → rabbit → fox → grass

fox → grass → rabbit → Sun

Which organism might you expect to find a trophic level I?

Grass

Fox

Frog

Model showing the amount of energy available in each step of a food chain.

Energy pyramid

Food web

Food chain

Model of energy transfer showing how the food chains in a community are interconnected.

Food web

Food chain

Energy pyramid

Model showing how energy flows in an ecosystem.

Food chain

Food web

Energy pyramid

Process using chemical energy in matter to make food.

Chemosynthesis

Photosynthesis

Series of chemical reactions that convert light energy, water, and carbon dioxide into the food-energy molecule glucose and give off oxygen.

Photosynthesis

Chemosynthesis

Predict what would happen if all the nitrogen-fixing bacteria in an ecosystem were removed.

Plants and animals wouldn't receive nitrogen compounds and this could cause disease and death among plants. This could lead to decline in animal populations.

Define condensation in your own words.

Condensation is when water vapor changes into a liquid

Which step in the water cycle occurs in plants?

Transpiration

Condensation

Precipitation

Which is true of the amount of matter in ecosystems?

It remains constant

It increases over time

It decreases over time

During the carbon cycle, __ take in carbon dioxide from the atmosphere.

Plants

Animals

Decomposers

Which process helps keep temperatures on Earth from becoming too hot or too cold?

Greenhouse effect

Condensation

Global warming

The process that changes atmospheric nitrogen into compounds usable by living things is called ___

Nitrogen fixation

Evaporation

Condensation

Precipitation

___ is when water falls from clouds to Earth’s surface.

Precipitation

Condensation

Evaporation

Nitrogen Fixation

The process during which water vapor changes into a liquid is called

Condensation

Precipitation

Nitrogen fixation

Evaporation

___ is the process during which liquid water changes into water vapor.

Evaporation

Condensation

Precipitation

Nitrogen fixation

How might a flamingo interact with nonliving things in their environment?

The flamingo might drink water, breathe oxygen from the atmosphere, warm itself in the sunlight, and stand on soil.

Describe an interaction between a living thing and a nonliving thing in an ecosystem.

Elephants drinking water, lions laying on the soil, and people breathing oxygen.

Distinguish between climate and atmosphere.

Climate describes the average weather conditions in an area over time while the atmosphere is the layer of gasses that surrounds Earth.

Which includes both an abiotic and biotic factor?

A deer drinking from a stream

A chicken laying an egg

A rock rolling down a hill

Which is a biotic factor in an ecosystem?

A plant living near a stream

The amount of rainfall

The angle of the Sun

What is the source of most energy on Earth?

The Sun

Air

Soil

Layer of gasses surrounding Earth.

Atmosphere

Climate

Ecosystem

Average weather conditions in an area over time.

Climate

Atmosphere

Biotic factor

Ecosystem

Nonliving things in an ecosystem.

Abiotic factor

Biotic factor

Living things in an ecosystem.

Biotic factor

Abiotic factor

Atmosphere

Climate

Living and nonliving things in a given area.

Ecosystem

Abiotic factor

Atmosphere

Biotic factor