Interactions Within An Ecosystem Human Impact and the Environment Interactions Between Organisms Cycles Succession & Change

100

What is an ecologist?
A person who studies the relationships in an ecosystem is this type of scientist.

100

What is Reduce, Reuse and Recycle?
These are the three R's when we focus on helping the environment.

100

What is a food web?
A network of interconnected food chains is called this.

100

What is run-off?
In the water cycle, the water moving down a mountain is referred to as this.

100

What is extinct?
When an organism no longer can be found alive on our Earth, it is considered to be this.

200

What is ecology?
The study of the relationship between living things and their environment.

200

What is sustainability?
When resources are being replenished at a rate equal to or greater than the rate at which they are being used and that wastes are being completely absorbed.

200

What are decomposers?
The "clean-up" squads are scientifically called this.

200

What is a food chain?
Grasshopper ----> Robin ----> Domestic Cat ----> Coyote is an example of one.

200

What is an introduced species?
An organism that is brought into an ecosystem where it is not naturally found.

300

What is mutualism?
A clownfish living in the tentacles of the sea anemone is considered to be this type of symbiotic relationship.

300

What is your ecological footprint?
A calculation of the total land area and water needed to supply all of the materials and energy that you use, as well as absorb all of the waste that you produce.

300

What is a learned adaptation?
I have learned to look both ways before I cross the street. This is considered this type of adaptation as it helps me not get hit by an abiotic organism (a car).

300

What are humans?
In a food chain, these organisms would be most affected by a mercury spill in the ocean.

300

What is lichen?
The first thing to grow in the succession of a bare rock area.

400

What is food, water, gas for air exchange, and habitat?
The four basic needs of living things.

400

What are pollutants?
Substances that pollute the environment?

400

What is biotic?
The living part of the environment.

400

What is bioaccumulation?
The cycle in which pollutants are stored in organisms and increase and cause further harm over time is this type of cycle.

400

What is secondary?
Regrowth after a fire would be considered this type of succession.

500

What is commensalism?
A relationship in which one organism benefits and the other neither gains nor is harmed.

500

What is a biological control?
Using ladybugs to reduce the number of aphids would be considered this type of control.

500

What are what it eats, where it lives, and how it interacts with other organisms?
The things I need to look at to determine an organism's niche.

500

What is carbon?
Without this, all living things would die.

500

What is extirpated?
A species that can no longer be found in a certain location, but still can be found elsewhere.

Interactions & Ecosystems

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