Consumer, Producer, or Decomposer?
Ecosystem Terms
Ecology Vocabulary
Food Chains
Food Webs
Practice
Random
Ecological Relationships
100

Herbivores that eat grass are ______________.

consumers

100

What is an individual animal, plant, or single-celled life form called?

Example: One Deer

Organism

100

What is the smallest unit of life?

cell

100

What do we call the path of energy transfer from producers to consumers?

Food Chain

100

What gives producers the energy they need?

The Sun

100

Which organism listed below is a producer?

1. grass

2. rabbit

3. wolf

grass

100

What is something non-living in the environment called?

An Abiotic Factor

100

A tick on a deer is an example of what type of relationship?

Parasitism

200

Organisms that absorb nutrients from dead organic matter are ____________.

decomposers

200

What is a group of individuals belonging to the same species that live in a specific geographic area called?

Example: A Herd of Elk

Population

200

What do we call an organism (plant) that can make its own food from substances that do not come from other living things. They are also called producers.

Autotroph

200

What are the main parts of a simple food chain?

Producer->Primary Consumer ->Secondary Consumer

200

What do we call a model/diagram that shows the feeding relationship among many different organisms?

Food Web

200

Identify the two apex predators.

Lion and Eagle

200

What do the arrows point to in a food web?

the organism that receives the energy

200

The type of symbiotic relationship in which both organism's benefit is called ____________.

Mutualism

300

Plants that make their own food/energy are ____________.

producers

300

What do we call an organism that eats both plants and animals?

Omnivore

300

What do we call the position or role a species has in an ecosystem?

Niche

300

Herbivores receive energy from ______________.

Producers / Plants / Autotrophs

300

Worms, fungi, and bacteria are all examples of ______________.

decomposers

300

List the three primary consumers.

deer, mouse, grasshopper

300

If something is alive in the community, what is that factor called?

Biotic

300

An alligator and a lion fighting over a food is an example of what type of relationship?

competition

400

___________ make energy for other organisms. 

Producers

400

Which organism in this food chain is a herbivore?

Caterpillar

400

What do we call the maximum number of individuals of one species that the environment can support?

Carrying Capacity

400

A third level consumer is also known as an _______ predator.

apex

400

Which herbivore gives its energy to the cheetah?

deer

400

Where does the snake receive its energy?

bird and fox

400

What is an energy pyramid?

a diagram that shows the amount of energy available at each feeding level

400

What do we call the interaction between two organisms who want the same finite resource?

Competition

500

_____________ obtain energy by eating meat.

Consumers.

500

What do we call all of the living and non-living things in an area?

Ecosystem

500

What symbol do we use to represent the directional flow of energy in a food web?

Arrow

500

What is missing from this food chain?

the plant / producer

500

What do the arrows represent in a food web?

Energy Flow

500

What would happen if the fox population decreased?

The mouse population would increase.

500

How much energy is transferred through each level of the energy pyramid? (What %)?

10%

500

What are the different kinds of symbiosis?

(Symbiosis is the interaction between two organisms.)

Mutualism 

Parasitism 

Commensalism 

Competition

600

Name the 3 main types of consumers.


Carnivore, Omnivore, and Herbivore

600

What do we call a group of all different species of organisms living in a particular area and interacting with each other?

Example: 3 Sheep, 2 Pigs, and a Goat on a Farm

Community

600

Plants make their own food through a process called ________________.

photosynthesis

600

Decomposers receive their energy from ____________.

waste and animal remains

600

Looking at the image and then list all the secondary consumers.

lizard, hawk, rattle snake, and tarantula

600

Grass --> Bird --> Grasshopper --> Hawk 

What is wrong with this food chain?

The bird and grasshopper are backwards.

600

What is the main way energy is lost between levels of the energy pyramid?

Heat

600

What do we call the type of symbiotic relationship where only one organism benefits but neither is harmed?

Commensalism

700

Analyze the food chain.

Which organism is a producer?

Grass

700

What do we call the place where an organism lives within an ecosystem?

Example: Beaver Lodge

Habitat

700

An owl eats a mouse. 

What ecology vocabulary word describes the mouse?

Prey

700

How does a secondary consumer get their energy?

through eating a primary consumer

700

Use this food web to answer the question.

To which type of ecosystem does the food web belong?

Forest

700

The diagram shows the food web of an aquatic ecosystem.

Which population in the food web will be impacted first by a decrease in the large fish population?

The population of small fish would be impacted first.

700

If you started with 2500 calories of leaves, how many calories would make it to the mouse?

25 calories

700

The relationship between bees and flowers is an example of _____________.

mutualism

800

Name at least one aquatic producer.

Algae and/or Phytoplankton

800

A student observes a diagram of an ecosystem surrounded by land in a textbook, as shown.

How should the student identify the ecosystem based on the community of organisms shown in the diagram?

Pond

800

List four abiotic factors.

Sun

Air

Water

Soil

800

The diagram shows a food chain.

If the wheat plants die, what would happen to the mouse population?

The mouse population would decrease.

800

What would be an appropriate title for the diagram?

* Ecological Succession 

* Biological Evolution 

* Energy Flow in a Food Web

* A Food Chain

Energy Flow in a Food Web

800

Is a leaf that has already fallen off of a tree biotic or abiotic?

biotic

800

Where is the greatest amount of biomass is located in the energy pyramid?

the base

800

The diagram shows a food web.

Which organisms in the food web obtain energy from the mouse?

hawk and snake