All the living and nonliving things in an environment make up what?
Ecosystem
100
What is the color, shape, or pattern that allows an organism to blend in with its environment called?
camouflage
100
What is the definition of niche?
The special role that an organism plays in a community.
100
Some animals use this to look and act like a more dangerous animal.
Mimicry
100
What is parasitism?
A symbiotic relationship in which one organism benefits while the other is harmed.
200
Which animal hunts other animals for food?
Predator
200
A type of symbiosis in which both organisms benefit is called what?
Mutualism
200
An insect that looks like a stick uses what type of adaptation?
Protective Resemblance
200
What type of organism makes up the largest part of the energy pyramid? Where are they located on the pyramid?
Producers make up the largest part of the energy pyramid and are located on the bottom.
200
Why does a typical ecosystem have many more plants than herbivores?
answers may vary
300
All of the members of one species in an ecosystem are called what?
Population
300
What is commensalism?
A type of symbiosis in which one organism benefits and the other is not harmed.
300
Sunlight is a common _______________ that can restrict the growth of populations.
Limiting factor
300
A bird gets nectar from a flower and helps to carry pollen for the flower. This relationship is called.....
Mutualism
300
What is protective coloration? Give an example.
Protective coloration is a type of camouflage in which the color of an animal blends with its background.
400
Which type of resource restricts population growth within an ecosystem?
limiting factor
400
What is the name of the physical place in which an organism lives and hunts for food?
habitat
400
What is the definition of biotic factors. Provide three examples.
Any living organism within an ecosystem. Examples would be plants, insects, and animals.
400
What is an omnivore? Provide an example.
An omnivore is an organism that eats both producers and consumers. Humans are omnivores.
400
If the plant population DECREASES year after year, what affect does this have on the other organisms in the food chain of that plant?
The other organisms' population will also decrease because there wont be enough food.
500
What is carrying capacity?
Carrying capacity is the measure of the size of a population and the area that an ecosystem can support.
500
What is the definition of adaptation?
Any characteristic that helps an organism survive in its environment.
500
What is the difference between a food chain and a food web?
In a food chain, energy flows in one direction, in a straight line. A food web connects various food chains and the energy flows in different directions.
500
Is it possible for two organisms to live in the same habitat but have different niches? Explain your answer
Yes. A niche is simply the role that an organism has in an ecosystem, so two organisms might have different jobs.
500
If the deer population of an area steadily increases over a decade, what affect does this have on the other organisms in the deer's food chain?