4 Terms
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Zoological terms
Terms in relation to animals, such as mammals, birds, reptiles or fish.
Industry: Zoology
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Zoological terms
intergrading
Zoology; Zoological terms
The merging of characteristics of two populations where their ranges come into contact
internal compass
Zoology; Zoological terms
The hypothesized mechanism that allows organisms to orient themselves so as to proceed in the proper direction during long-distance movements such as migration.
introduced species
Zoology; Zoological terms
A species that humans have placed into an ecosystem or community (either accidentally or intentionally) in which it does not naturally occur.
invasion
Zoology; Zoological terms
Sudden large movement of individuals into an area where they are generally uncommon, often on an unpredictable basis
invertebrate
Zoology; Zoological terms
Animal without a backbone. Invertebrates make up over 90 percent of all animal species.
irruption
Zoology; Zoological terms
Sudden large movement of individuals into an area where they are generally uncommon, often on an unpredictable basis.
isolating mechanism
Zoology; Zoological terms
An obstacle to interbreeding, either extrinsic, such as a geographical barrier, or intrinsic, such as structural or behavioral incompatibility
