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Cycles & Cycles
Pop. Quiz
Food Troph
Riveting Relationships
Successful Succession
100

What process turns liquid water into water vapor?

Evaporation

100

Daily Double!!!

What is a population?

A group of organisms of the same species living in the same area.

100

Grass → Rabbit → Snake → Hawk

This transfer of energy is an example of what?

Food chain

100

What relationship occurs when one organism benefits while the other is unaffected?

Mutualism

100

What is gradual change in an ecosystem's community over time called?

What is ecological succession?

200
What is the most abundant gas in Earth's atmosphere that is also required for life?

Nitrogen (N2)

200

What term describes organisms moving into a population?

Immigration

200

What organism makes its own food and is at the base of the trophic pyramid?

Producer

200

What relationship exists when two organisms are fighting for the same resource


Competition

200

What is an event that alters an ecosystem called? Examples include invasive species and deforestation.

Ecological disturbance

300
What gas do plants require for photosynthesis?

Carbon dioxide (CO2)

300

A population has 50 births, 20 deaths, 10 immigrants, and 15 emigrants. How did the population change?

Increase by 25.

300

Grass → Rabbit → Snake → Hawk. What trophic level is the snake?

Secondary consumer


300

A tick gets nutrients from a dog while harming the dog. What relationship is this?

Parasitism

300

What organisms are often among the first to colonize an area during primary succession?

Pioneer species like lichens


400
How do animals get carbon and nitrogen?
By eating


400

A population grows rapidly and then levels off because resources become limited. What type of growth is this?

Logistic growth.

400

About what percentage of energy is typically transferred from one trophic level to the next?

10%

400

A cheetah catches and eats a gazelle. What ecological relationship is this?

Predation

400

What type of succession begins where there is little or no soil?

Primary succession




500

Nitrogen fixation, the process where nitrogen from the air is made useable for other organisms, is done by what 2 thing?

Lightning and bacteria

500

What are the parts of the ecosystem that prevent populations from growing exponentially? Examples include natural disasters, disease, and predators.

Limiting factors

500

What is an organism called that gets energy by eating other organisms?

Consumer

500

What word describes the total variety of species in an ecosystem?

Biodiversity

500

What type of succession might happen after a forest fire?

Secondary succession.