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HomeHomework HelpbiologyAnimal Kingdom Overview

Animal Kingdom Overview

The animal kingdom, or Kingdom Animalia, encompasses a diverse group of multicellular, eukaryotic organisms that are primarily heterotrophic, meaning they obtain their nutrients by consuming other organisms. This kingdom is characterized by various forms of locomotion, complex nervous systems, and reproductive strategies, and it includes a wide range of species from simple invertebrates to complex vertebrates.

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Biology
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Overview

The animal kingdom is a vast and diverse group of organisms that play essential roles in ecosystems around the world. It includes a wide range of species, from simple invertebrates to complex vertebrates, each adapted to their unique environments. Understanding the classification, habitats, and adap...

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Key Terms

Eukaryotic
Organisms with complex cells containing a nucleus.

Example: Humans and animals are eukaryotic.

Invertebrates
Animals without a backbone.

Example: Jellyfish and insects are invertebrates.

Vertebrates
Animals with a backbone.

Example: Birds and mammals are vertebrates.

Habitat
The natural environment where an organism lives.

Example: Forests, oceans, and deserts are habitats.

Biodiversity
The variety of life in a particular habitat or ecosystem.

Example: Coral reefs have high biodiversity.

Adaptation
A change in an organism that helps it survive in its environment.

Example: Camouflage in chameleons is an adaptation.

Related Topics

Ecosystems
Study of interactions between living organisms and their environment.
intermediate
Animal Behavior
Exploration of how animals interact with each other and their environment.
intermediate
Evolution
Understanding how species change over time through natural selection.
advanced

Key Concepts

ClassificationHabitatsAdaptationsBiodiversity