Cells
Ecosystem
Organisms
Food Chains
How Humans affect the Environment
100

This is the basic building block of life.

a. food

b. cell

c. money

What is a cell?

100

This is a place where biotic and abiotic factors live together.

a. body parts

b. ecosystems

What is an ecosystem? 

100

These hunt for their prey in the ecosystem.

1. prey

2. predators

What are predators? 

100

This is a visual representation of how energy is transferred among organisms in order.

1. paper chain

2. food chain

What is a food chain?

100

These are a huge cause of habitat loss.

a. mining

b. cutting down trees

c. housing developments

What are housing developments?

200

These cells have one type of cell.

a. prokaryotic

b. eukaryotic

c. heraryotic

What is prokaryotic? (single celled)

200

This is the primary source of energy in many ecosystems.

1. water

2. sun

3. soil

What is the sun? 

200

These consumers eat only plants. 

a. omnivores

b. herbivores

c. carnivores 

What are herbivores?

200

These are on the bottom or base of the food pyramid.

a. producers

b. consumers

What are producers? 

200

This leads to populations of animals decreasing. 

a. preserving habitats

b. habitat loss


What is habitat loss?

300

Multicellular organisms need these  to get nutrients and exchange gases.

a. exchange systems

b. transport systems

c. air systems

What are transport systems? 

300

This is a place inside of an ecosystem that an organism lives.

a. cave

b. habitat

c. ocean

What is a habitat? 

300

These consumers eat only dead meat.

a. scavengers

b. omnivores

c. herbivores

What are scavengers? 

300

This is a visual representation of how food chains can interconnect with one another.

a. food chain

b. food web

What is a food web?

300

This means the animal species is threatened and needs protection before they complete die out.

a. extinction

b. endangered

What is endangered?

400

Plant and animal cells are this in nature.

a. multicellular

b. single cellular

What is Eukaryotic (Multicellular)?

400

These factors are the NON-living things in an ecosystem.

a. abiotic

b. biotic

What are abiotic? 

400

These are known as  “nature’s recyclers”.

a. composers

b. producers

c. decomposers

What are decomposers?

400

This is a relationship that happens between organisms.

a. symbiosis

b. amensalism 

What is symbiosis?

400

This means the animal species is not longer living on the Earth. 

a. extinct

b. endangered


What is extinct? 

500

Both types of cells need this to survive.

a. energy

b. rain

c. cold temperatures

What is energy? 

500

Producers, consumers and decomposers are known as these. 

a. abiotic

b. biotic

What are biotic (living) factors?

500

These are organisms with similar characteristics. 

a. omnivores

b. species

c. scavengers

What is species? 

500

In this, both organisms receive a benefit.

a. parasitism

b. mutualism

What is mutualism?

500

This is when humans leave or put things in the environment that don’t belong there.

a. conserving

b. littering

What is littering?

M
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