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100
Fungi and bacteria are examples of these
What are decomposers
100
mating for life is an example of this type of relationship
What is couple
100
Of the two (food chains and food webs) these are more complex
What are food webs
100
the bottom level of the ecological pyramid
What are producers
100
an animal that feeds on other animals
What is a predator
200
an organism that eats meat
What is a carnivore
200
the last organism in a food chain
What is a decomposer
200
each level of an ecological pyramid is called this
What is a trophic level
200
ants, bees, termites, wasps
What are social insects
200
all of the interrelated food chains in an ecosystem
What is a food web
300
these organisms exist without the aid from others of its species
What are independent organisms
300
a relationship between two populations that is beneficial for both
What is mutualism
300
a close long term relationship between two species
What is symbiosis
300
an omnivore eats this
What are plants and animals
300
the death of a host would be most distressing to these
What are internal parasites
400
When one population benefits while the other population is neither helped nor harmed
What is commensalism
400
the level of the ecological pyramid that contains the most energy
What is the lowest level
400
death of the host means death of the parasite for these types of parasites
What are internal parasites
400
the lowest level a carnivore can occupy in an ecological pyramid if the producer is at level one
What is level 3
400
the animal that the predator eats
What is prey
500
plants that grow on the branches of trees but do not take nourishment from the trees
What are epiphytes
500
schools, prides, flocks, and herds are examples of this
What is an animal society
500
when two organisms have to be together or they die
What is obligatory mutualism
500
when one organism looks like another
What is mimicry
500
this is not recycled in an ecosystem
What is energy