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Levels
Competition
Relationships
Potpouri
Oceans
100
all of the populations of species that live in the same habitat and interact with each other
What is a community
100
nonliving parts of the ecosystem
What are abiotic factors
100
in the relationship of a coyote and a rabbit, the coyote
What is a predator
100
in the relationship of mesquite tree and grasshopper, the mesquite tree
What is a producer
100
happens when rates of fishing are higher than the rate of reproduction in a population
What is overfishing
200
a group of organisms of the same species that live in a specific geographical area
What is a population
200
competition in which two organisms come into direct contact with each other
What is direct competition
200
In the relationship of a coyote and a rabbit, the rabbit
What is prey
200
a change in the traits in a population over time in response to environmental changes
What is natural selection
200
a human-made structure that is sunk into a coastal ocean area
What is an artificial reef
300
a single organism
What is an individual
300
living or once living parts of the ecosystem
What are biotic factors
300
in the relationship of tick and dog, the dog
What is a host
300
in the relationship of mesquite tree and grasshopper, the grasshopper
What is a consumer
300
water that moves over land and eventually enters oceans
What is runoff
400
a community of organisms and their abiotic environment
What is an ecosystem
400
one thing that organisms might compete over
What is food or space or mate or other resource
400
in the relationship of tick and dog, the tick
What is a parasite
400
a major producer in aquatic ecosystems
What is algae
400
pollution from one identifiable source
What is point-source pollution