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Communities and Ecosystems

Across
Species with a disproportionately large effect on community structure relative to actual abundance
Eat other organisms or their remains
Capture energy and make their own food from inorganic materials in the environment
An animal feeds on a plant, which may or may not die as a result
Ecological _______ a gradual change in a community in which one array of species replaces another
The type of place in which a species lives
An insect that lays eggs in another insect
Competition that harms both participants, two species compete for a limited resource and both are harmed by the interaction
Resource _______ allows similar species to coexist by using different portions of a shared resource
Species interaction that benefits both species
Coloration is a conspicuous pattern or color that predators learn to avoid
Consumers that feed on remains and break them into their inorganic building blocks
Species ______ is the number of species present
Competitive _______, when two species compete for a limited resource, one drives the other to local extinction
Species ________ is the relative abundance of each species
Succession that occurs after a disturbance removes the natural array of species, but not the soil
Down
Term for "living together". Species spend most or all of their life cycle in close association with each other
A community and its environment
Species that withdraws nutrients from another species (its host), usually without killing it
Role of species in its community
A biological _______ includes all the species in a region
Parasite that lays eggs in nests of other bird species
Species interaction that benefits one species and neither helps nor harms the other
Consumers that feed on small bits of organic material
Joint evolution of two closely interacting species
Appearance that helps a plant or animal blend into its surrounding
Succession that occurs in habitats that lack soil and have few or no existing species
Essential materials (nutrients) ______ between organisms and their environment
One species comes to resemble another
Species that was introduced to a new habitat and became established there