Vocabulary & Definitions
Symbiotic Relationships
Levels of Organization
Food Webs
Predation & Competition
100

A parasite attaches itself to this 

Host

100

A tapeworm and human have this kind of relationship

Parasitism

100

An individual organism is at this level of the ecosystem

Bottom/first/lowest

100

The arrow points in the direction of the organism who is

Eating

100

A lion hunts and eats a zebra. This is an example of

Predation

200

This flows through an ecosystem 

Energy

200

The crocodile allows small birds to pick food out of its teeth (without eating them). The crocodile gets a dental cleaning while the bird gets a meal. This relationship is called

Mutualism

200

All organisms of the same species in an environment is known as this

Population

200

The primary consumer eats this

Producers/plants

200

Herbivores prey on this

Plants 

300

This is another name for a producer

Plant/autotroph

300

In 1970, the Asian carp from China was brought to America and someone put them in the Mississippi River. This is an example of a/n _________ species

Introduced

300

A community is made up of all ___________ factors in an ecosystem

Living/biotic


300

The tertiary consumer eats this organism

Secondary Consumers

300

Carnivores prey on this

Animals

400

This is another name for a consumer

Animal/heterotroph

400

The ramora fish attaches to the shark. It catches food as the shark swims, but the shark is not affected (neither harmed nor helped). This kind of relationship is

Commensalism

400

This is the largest/highest trophic level with all factors of an environment

Ecosystem

400

Rabbits eat tomatoes in a garden. This is a possible outcome if the population of rabbits increased

The tomato population would decrease.

400

Organisms of different species compete for (two examples)

Water, land/space, and food.

500

The definition of ecosystem includes these type of factors

Biotic or living & abiotic or nonliving 

500

The Yellow Crazy Ant is an invasive species on Christmas Island. It has no natural predators and its prey is the Red Land Crab. The crab population on the island will most likely do this 

Decrease

500

These are abiotic factors that could exist in an ecosystem (three examples)

Soil, rock, sun, temperature, water, air/wind, etc.

500

This is the difference between a food chain and food web (DD)

A food chain is a sequence of one organism eating the other. Shows a single flow of energy.  

A few web is a network of interconnected food chains. 

500

A mouse eats corn and grasshoppers. This mouse is this kind of consumer

Omnivore