Vocabulary
Food Chains
Changes in Ecosystem
Relationships in Ecosystmes
Biomes
100

A consumer that eats plants and/or animals is called a _______________.

omnivore 

100

The arrows in a food chain represent the  direction and flow of ______________from one organism to another.

energy

100

If a species is endangered, then it may ______.

become extinct.

100

Plants and algae could not make food without ______.

sunlight

100

This biome is also called "Marine".  It includes about 97% of Earth’s water, which is salty and can be a variety of temperatures.

Salt Water
200

Organisms that do not make their own food are called __________.

consumers

200

When plants and animals die, _______________ break down their bodies into nutrients.

decomposers

200

What happenes when one population in a food web changes (e.g.a population of mice decreases, a population of snakes increases)?

all organisms in the food web can be affects

200

How do primary consumers get energy in any ecosystem?

They eat producers.

200

This biome ihas very little precipitation (rain) and extreme temperatures. Most are hot, but some can be cold (Antarctica). Cacti, rattlesnakes, and camels live in this biome.

Desert

300

Living things in an environment are ________ factors.

biotic

300

What provides the initial (beginning) energy source for all ecosystems?

the sun

300

Which type of organism benefits from the presence of decomposers in an ecosystem?

Producers


(Because they get nutrients from the soil)

300

What type of consumer would NOT eat a producer?

A carnivore or tertiary consumer

300

This biome is located in warm tropical areas & have tall canopy of broadleaf trees. Organisms that live here include scarlet macaw, ferns, and orchids.

Rainforest
400

Nonliving things in an environment are called _______ factors.
(examples - water, rocks, dirt)

abiotic

400

_______ occurs when one or more organism in an ecosystem depends on same resource and fight for access to it.

Competition

400

In a forest food web, what organism could fit in place of the X below?

grass ----> X -----> frog ----> snake

grasshopper

400

Nutrients are added to the soil with the help of ____.

decomposers

400

This biome is a treeless ecosystem located in the cold Arctic region. Soil is frozen most of the year (permafrost) with short summers and long winters. Polar bears and arctic foxes live in this biome.

Polar Tundra

500

What do ALL of the living and nonliving things in an environment make up?

an ecosystem

500

Carnivores that eat secondary consumers are called ________________ consumers.

tertiary

500

_________________ species are non-native plant and animals species that have been introduced into an environment. They can have huge impacts on ecosystems.

Invasive

500

Why are predators an important part of every food chain?

They help control or limit population sizes.

500

Also known as the "deciduous" forest, this biome has many trees with needles or leaves, shrubs, grasses, & ferns. Animals like wolves and bears live in this biome.

Temperate