Ecosystem
Organisms
Relationships
Food
Where's the Grub?
100

Sunlight, food, air, water, shelter 

What are survival needs?

100
The primary source of all living things

What is the Sun?

100

When two organisms have a symbiotic relationship and both benefit.

What is mutualism?

100

All energy in an ecosystem flows through this.

What is a food chain or food web?

100

something that produces food for itself

What is a producer?

200

All living organisms in an ecosystem (i.e., plants and animals)

What are biotic factors?

200

All the populations living in one place

What is Community?

200

When one organism feeds off of or lives inside a host organism and benefits while the host is harmed.

What is a parasite or parasitism?

200

The model you make to show energy loss in a food chain

What is an energy pyramid? 

200

bacteria, fungi, worms, mushrooms 

What are TWO examples of decomposers?

300

All the members of one particular species in a given area


What is population?

300

Three types of organisms in an ecosystem.

What are producers, consumers, and decomposers?

300

When an organism tries to get what it needs to survive, but other organisms need and try to get the same things

What is competition?

300

a system of overlapping food chains

What is a food web?

300

any animal that feeds mostly on animals

What is a carnivore?

400

Network of interactions between biotic and abiotic factors in an area. 

What is an ecosystem?

400

A specie that belongs to a specific ecosystem__________.

What is a native species?

400

When prey populations increase, predator populations will experience population ...

What is increase?

400

the flow of energy from a producer to one or more consumers. (ie: linked together by their feeding relationships)

What is a food chain?

400

any animal that feeds mainly on plants; plant-eater

What is a herbivore?

500

Many of the things that the organisms need to survive, such as as sunlight, air, shelter, and water

What is an abiotic factor?

500
What do decomposers need to work effectively and fast?


What is a warm temperatures & moist environment?

500

Complete this food chain:

Grass - grasshopper - frog - _______ - hawk

What is a snake?

500

Removing the snakes from this ecosystem will affect the grasshopper population this way.

What is decrease?

500

Animal that eats both plants and animals

What is an omnivore?

600

A Living thing

What is an organism?

600

A new species introduced on purpose to deal with a pest or accidently when non-native pets are released which then over-populates an ecosystem and damages the local food webs.

What is an invasive species?

600

An ox bird waits for and consumes insects chased out of the grass as cattle move through a field. The cattle are not affected and the bird benefits.

What is commensalism?

600

Level D organisms in the trophic pyramid.

What is a tertiary consumer?

600

These special organisms eat only dead plants and animals.

What are scavengers or detrivores?