Sample Answer: What are green plants?
The teacher may accept other answers.
100
The gradual change in the make-up of a biological community over time.
What is succession?
200
A living person, plant, or animal
What is an organism?
200
Cannot make their own food
What is a consumer?
200
Sequence consumers, scavengers, producers, and decomposers in a food chain.
*Start at the top of the chain and move down
What is producers, consumers, scavengers, and then decomposers?
200
Give at least three examples of consumers.
What is an Owl, Fox, Rabbit, Bear, etc..
200
The maximum number of individuals an ecosystem can support over a long time.
What is carrying capacity?
300
Breaks down dead or decaying organisms.
What is a decomposer?
300
An organism that consumes only meat
What is a carnivore?
300
The process producers use to make their own food.
What is photosynthesis?
300
Give 2 examples of decomposers.
What are maggots, mold, fungus, mushrooms, bacteria, etc...
300
A biotic or abiotic factor that controls the number of individuals in a population.
What is a limiting factor.
400
Define a herbivore.
What is a living thing that only consumes plant materials?
400
Define Omnivore
What is a living thing that consumes both plant materials and meat?
400
Use a food chain including a hawk, grasshoppers, and grass to explain a pyramid of numbers.
There is always a larger number of producers at the bottom of a pyramid and fewer top consumers at the top. This is because energy is lost as you move up through the food chain.
400
Organisms that must eat other plants or animals for energy.
What are consumers?
400
The build up of pollutants in organisms.
What is bioaccumulation?
500
Describe the difference between a food web and food chain.
A food web shows a complex arrangement of overlapping food chains, and a food chain shows how each living thing gets its food.
(answers may vary)
500
The space where an organism lives and the role it plays within its ecosystem.
What is a niche.
500
Describe what would happen to the rabbit population if the black bear was taken out of food web. Then describe what would happen to berries.
The population of rabbits would increase and the amount of berries would decrease.
500
Describe the importance of decomposers for our ecosystems.
2 main reasons.
The earth would be covered with dead plants and animals. Nutrients would not go back into the soil.
500
There are 3 main types of symbiotic relationships. Explain them using examples.
Parasitism - one organism benefits, one is harmed (tape worm and human)
Commensalism - one organism benefits, one doesn't lose or gain ( barnacles on a whales back)
Mutualsim - both benefit (trees and mushrooms - mushrooms get water, trees get nutrients)