2.1
2.2
2.3
2.4
Extra
100
A sequence of feeding relationships among living organisms, as they pass on food energy.
What is a food chain?
100
When two species live closely together in a relationship that lasts over time.
What is symbiosis?
100
A model of an ecosystem that represents the number of organisms consumed at each level.
What is a pyramid of numbers?
100
The gradual process in which certain species replace other species in an ecosystem.
What is succession?
100
A vulture is an example of:
What is a scavenger?
200
The movement of energy, starting from the Sun, and passing from one organism to the next.
What is energy flow?
200
A relationship between two different organisms, in which each partner benefits from the relationship.
What is mutualism?
200
Always at the base of a food pyramid.
What is a producer?
200
Broken down rock and decomposing bodies of animals contribute to the formation of:
What is soil?
200
As you go up a food pyramid, what happens to the energy?
What is it gets lower or smaller?
300
Organisms that break down dead or waste materials
What is a decomposer?
300
Tapeworms and lice are both...
What are parasites?
300
The total mass of all of the organisms in an ecosystem.
What is biomass?
300
Purple Loosestrife is an example of what kind of species?
What is a foreign or invasive species?
300
The role that an organism has in it's community.
What is a niche?
400
Animals that kill and eat other animals called prey.
What are predators?
400
The relationship between a hawk and blackbirds?
What is predator-prey?
400
Difference between a food chain and a food pyramid?
What is the food pyramid shows the amount?
400
At what stage of development is an ecosystem with bees, flowering plants, and grasses.
What is middle development?
400
A relationship where one organism benefits and the other isn't affected.
What is commensalism?
500
What are the three types of consumers and what they eat?
What are herbivores (plants), carnivores (meat) and omnivores (both)
500
The clown fish and sea anemone is an example of what relationship?
What is mutualism?
500
Similarity between a food pyramid and food chain?
What is they both show who eats what?
500
Can cause plants to grow too quickly and start to fill in open water.
What are fertilizers?
500
What will happen to the lynx population if many hares died?
What is decrease or migrate?
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