A person who studies the relationships in an ecosystem is this type of scientist.
What is an ecologist?
100
These are the three R's when we focus on helping the environment.
What is Reduce, Reuse and Recycle?
100
A network of interconnected food chains is called this.
What is a food web?
100
In the water cycle, the water moving down a mountain is referred to as this.
What is run-off?
100
When an organism no longer can be found alive on our Earth, it is considered to be this.
What is extinct?
200
The study of the relationship between living things and their environment.
What is ecology?
200
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.
What is sustainability?
200
The "clean-up" squads are scientifically called this.
What are decomposers?
200
Grasshopper ----> Robin ----> Domestic Cat ----> Coyote
is an example of one.
What is a food chain?
200
An organism that is brought into an ecosystem where it is not naturally found.
What is an introduced species?
300
A clownfish living in the tentacles of the sea anemone is considered to be this type of symbiotic relationship.
What is mutualism?
300
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.
What is your ecological footprint?
300
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).
What is a learned adaptation?
300
In a food chain, these organisms would be most affected by a mercury spill in the ocean.
What are humans?
300
The first thing to grow in the succession of a bare rock area.
What is lichen?
400
The four basic needs of living things.
What is food, water, gas for air exchange, and habitat?
400
Substances that pollute the environment?
What are pollutants?
400
The living part of the environment.
What is biotic?
400
The cycle in which pollutants are stored in organisms and increase and cause further harm over time is this type of cycle.
What is bioaccumulation?
400
Regrowth after a fire would be considered this type of succession.
What is secondary?
500
A relationship in which one organism benefits and the other neither gains nor is harmed.
What is commensalism?
500
Using ladybugs to reduce the number of aphids would be considered this type of control.
What is a biological control?
500
The things I need to look at to determine an organism's niche.
What are what it eats, where it lives, and how it interacts with other organisms?
500
Without this, all living things would die.
What is carbon?
500
A species that can no longer be found in a certain location, but still can be found elsewhere.