A
Define predation and give an example.
A relationship where one organism kills and eats another. (ex. lion and gazelle)
+1
Explain the difference between a food chain and a food web.
A food web is made up of multiple food chains.
+5
Where do all plants get their energy from?
The sun.
What is the formula for photosynthesis?
Sun (energy) + carbon dioxide + water -> Oxygen + sugar (energy)
+3
Explain the water crisis. (HINT: think of the video we watched)
There is only so much fresh water available on the planet, and humans use a lot of it. Many people don't have access to clean water.
+10
Define and give an example of a decomposer.
A decomposer breaks down dead organisms. (ex. fungi)
-5
Define biotic and abiotic.
Biotic - living component of an ecosystem
Abiotic - nonliving component of an ecosystem
-1
Define mutualism and give an example.
A symbiotic relationship where both organisms benefit. (ex. acacia ants and acacia trees)
-4
What kinds of everyday processes/products/procedures use a lot of water?
Virtual water: gas in a car, eating meat, clothing production, cell phone production, etc.
Define primary succession.
Primary succession starts with bare rock, in a brand new area.
-5
Where do consumers get their energy from?
Other organisms
-3
Define competition and give an example.
The relationship between organisms that compete for resources. (ex. lions compete with each other for food)
+1
Define consumer and give an example.
An organism that can not produce its own food and must consume other organisms. (ex. any animal)
+10
Define commensalism and give an example.
A symbiotic relationship where one organism benefits and the other neither benefits nor is harmed. (ex. whales and barnacles)
+4
Give one positive and one negative way that humans impact the environment.
Negative: deforestation, oil spills, etc.
Positive: government protection, animal rehabilitation centers, etc.
Define ecological succession. (HINT: three words)
PROCESS OVER TIME
+4
Define secondary succession.
Secondary succession is the redevelopment of an area after a disturbance.
+3
Define parasitism and give an example.
A symbiotic relationship where one organism benefits and the other is harmed. (ex. dogs and ticks)
-1
Define producer and give an example.
An organism that produces its own food. (ex. any plant)
-2
Using the clownfish game, explain how predation, competition, and symbiosis impact an organism's ability to survive.
Predators made it more difficult, other clownfish were competing for the same resources, anemones helped protect the clownfish.
-3
Give an example of how a natural disaster can influence an ecosystem.
Wildfire, hurricane, etc.
+5
In a photosynthesis diagram and a food web/chain, what do the arrows track?
Energy flow
-10
Explain how both biotic and abiotic factors influence an ecosystem.
Biotic: other organisms compete for resources, predator/prey relationships, etc.
Abiotic: weather patterns, drought, etc.
-2
Explain the difference between a primary, secondary, and tertiary consumer.
Primary consumers eat producers. Secondary consumers eat primary consumers, and tertiary consumers eat secondary consumers.
+2
Define photosynthesis.
The process in which plants turn sunlight into food.
+3