This model shows the transfer of energy from one animal to another.
What is a food chain?
100
This type of succession occurs where there has never been growth before.
What is primary succession?
100
These are decomposers which make our food go bad.
What are microorganisms?
200
A bird, a tree and a bumble bee are all __________ parts of the environment.
What is biotic?
200
These consumers eat only producers or plants.
What are herbivores?
200
The arrow in a food chain or a food web, shows which direction the ___________ flows between each organism.
What is energy?
200
This type of succession occurs after a disturbance (either natural or man made).
What is secondary succession?
200
An abandoned beaver dam which has turned into a bog would be an example of this type of succession.
What is secondary?
300
The range of conditions within which an organism can survive is called its _______________.
What is range of tolerance?
300
These organisms break down dead and waste materials into their basic parts and return nutrients to the air, soil and water.
What are decomposers?
300
This model shows the interconnection of several different food chains.
What is a food web?
300
If an area is undisturbed, it will eventually produce this type of community.
What is a climax community?
300
The decline of the cod industry in NL was a result of this.
What is overharvesting?
400
A worm lives in the soil, is food for birds and small mammals, and helps decompose matter and returns nutrients to the soil. This describes the worm's ________.
What is niche?
400
Producers get their energy through this process.
What is photosynthesis?
400
About 30 percent of the energy consumed through eating is used for _____________, such as breathing, growth and movement.
What are life processes?
400
Lichen is an example of this type of species because it can establish itself in an area with little to no soil.
What is pioneer species?
400
This type of animal eats both animals and plants.
What is an omnivore?
500
These are the five abiotic influences on an environment.
What are light and light intensity, temperature, soil, air and wind, and water?
500
These organism eat decaying animals and waste materials.
What are scavengers?
500
This is about the amount of energy that is transferred to the carnivores from the herbivores through eating.
What is about 10 percent?
500
These types of organisms are not native to an area, and can sometimes displace or destroy native species, damage ecosystems and cause harm to the economy and human health. Moose on the island of NL are an example.