Invertebrate: Definition, Characteristic, Type, and Example
Invertebrate Definition Invertebrates are animals that don’t have a backbone. The vertebral column is another name for the backbone. Over 90% of …
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Intertidal Zone: Definition, Temperature, and Location
Intertidal Zone Definition The intertidal zone or “littoral zone” is the term used to describe the seashore which is covered …
Fauna: Definition, History, and Example
Fauna Definition Fauna is a term which refers to all of the animal life within a specified region, time period, …
Extremophile: Definition, Types, and Example
Extremophile Definition Extremophiles are organisms that have evolved to survive in environments once thought to be entirely uninhabitable. These environments …
Extirpation: Definition and Example
Extirpation Definition Extirpation (also known as ‘local extinction’) describes the situation in which a species or population no longer exists within a certain geographical location. …
Extinction: Definition, Example, and Causes
Extinction Definition Extinction is a term applied to a known species, of which there are no known living individuals. Some species …
Exoskeleton: Definition, Types, and Molting
Exoskeleton Definition An exoskeleton is the rigid covering found on the exterior of many animals, particularly invertebrates such as arthropods and mollusks. Much like the …
Ecosystem: Definition, Types, and Example
Definition An ecosystem or biome describes a single environment and every living (biotic) organism and non-living (abiotic) factor that is contained within …
Ecology: Definition, Types, and Example
Ecology Definition Ecology is the branch of biology that studies how organisms interact with their environment and other organisms. Every organism experiences …
Ecological Succession: Definition, Types, and Example
Ecological Succession Definition Ecological succession is a term developed by botanists to describe the change in structure of a community of different species, …