Ecosystems and Biomes

Energy Flow in Eco

100

Name the organism that makes its own food.

Producer

200

A red fox that eats a grasshopper that eats dandelions, the red fox is a (Must include level)

Second-level consumer

300

Hyaenas are carnivores, however they feed on bodies of dead organisms, which is called a

Scavenger

400

What are the names of the three energy roles in an ecosystem?

producer, consumer, decomposer

500

Why are decomposers essential to the ecosystem?

Explanations will vary. Must include... Break down biotic waste and dead organisms Return organic matter/raw material to ecosystem Nature's recyclers Return molecules to the environment (carbon, nitrogen)

Cycles of Matter

100

What gas do producers release back into the ecosystem to help plants and animals survive?

Oxygen

200

If you were to draw the water cycle, what shape or form would your model make?

Linear with stops and starts

300

What is the process in which liquid absorbs energy from the sun and changes into a gas?

Evaporation

400

Describe the function of the water cycle.

Explanations will vary. Must include. Moves from Earth's surface to the atmosphere and back. Does not move from in a circular motion. The three processes include evaporation, condensation, and precipitation.

500

What kinds of organisms return nitrogen compounds to the soil?

Bacteria and other decomposers

Catch Phrase

100

Food Web

Many overlapping food chains in an ecosystem.

200

Precipitation

Heavy droplets fall to the Earth's surface as rain, snow, and hail.

300

Estuary

Where the freshwater of a river meets the salt water of the ocean.

400

Condensation

Cooled vapor turns back into tiny droplets of liquid, gas changes back into a liquid.

500

Biome Climate

Must include... Climate of an area determines its biome. It determines the average annual temperature and amount of precipitation. Climate limits species of plants that can grow in a biome.

Biomes

100

This is a group of ecosystems with similar climates and organisms.

Biome

200

What type of ecosystem would you find a stream, river, pond, or lake?

Freshwater ecosystem

300

What are the four abiotic factors that affect all aquatic ecosystems?

sunlight, temperature, oxygen, and salt content

400

Name two zones you find in the marine ecosystem.

Interidal zone and neritic zone

500

Describe the desert biome?

Receives less the 25 cm of rain each year (some of the driest deserts receive 0 cm) and experiences extreme temperature shifts throughout the day.