Benchmark Review

Aquatic Biomes

100

Name an Abiotic Factor in any Aquatic Biome

Salinity

Temperature

Turbidity

Amount of sunlight

Dissolved Oxygen

200

What are the 3 Biotic categories of Aquatic organisms

Plankton, Nekton, and Benthos

300

What zone is nearest to the shore and has the most life?

The Littoral Zone

400

Which zone is the darkest and doesn't have light for photosynthesis? 

The Aphotic zone

500

Is marine snow biotic or abiotic? Why

Its Biotic because it was once a living organism.

Farming Techniques

100

What is monoculture?

Involves growing one crop on a field at a time

200

Soil erosion can be high with monoculture. True or False.

True

300

______ is the more sustainable farming technique when growing food and replicates the natural ecosystem.

Polyculture farming

400

Name at least 3 grazers

Sheep

Cow

Goat

Horses

Any other animals that eat grass

500

What would happen if one field has too many grazers?

There wouldn't be anymore grass because it would deplete and would cause soil erosion.

Deserts

100

The semi arid desert is the hottest and driest desert. True or False.

False

200

Do cold deserts have long or short growing seasons?

Short growing seasons

300

Which desert has shrubs as their dominant plant?

The chaparral

400

Name at least 2 plants that are found in cold deserts.

Grass

Moss

Lichens

500

Where are cold deserts located?

Located in polar regions or high altitude

Invasive & Keystone Species

100

Invasive species benefit the local ecosystem. True or False

False. Invasive species negatively affect to local ecosystem.

200

A prairie dog is an example of a key stone species in the prairie. True or False.

True 

300

What is a keystone species?

A species that helps define the ecosystem and is an important role.

400

Can ecosystems still exist and function well without keystone species?

No, keystone species allow the ecosystem to function well and exist.

500

In what ways do invasive species affect an ecosystem?

Harm the food web

Out compete the native species

Desertification & Tragedy of Commons

100

What is desertification?

Previous fertile land becomes more arid and turns into a desert-like area

200

Forests become deserts. True or False

False. Grasslands become deserts

300

What is the tragedy of commons? 

Sources are being overused or people are being selfish with them which leads to an unsustainable environment.

400

What are some causes of desertification?

Poor farming or grazing practices

Deforestation

Increased heat/drought

500

What are some results of desertification? 

Results to soil erosion and loss of nutrients which decreases the amount of plants the land supports