a limbless cold-blooded vertebrate animal with gills and fins and living wholly in water.

a warm-blooded egg-laying vertebrate distinguished by the possession of feathers, wings, and a beak.

the practice of preserving the natural world to prevent it from collapsing as a result of human activities

seriously at risk of extinction.

having no living members; no longer in existen

the natural home or environment of an animal, plant, or other organism.

a species indigenous to a given region or ecosystem if its presence in that region is the result of only local natural evolution.

an introduced species or non-native species living outside of its native ecosystem.

o exploit something to an excessive degree.

the presence in or introduction into the environment of a substance that has harmful or poisonous effects.

an act that focuses on conserving threatened and endangered plants and animals.

an area designated for the protection of wild animals, within which hunting and fishing are either prohibited or strictly regulated.

an animal that feeds on flesh.

an animal that feeds on plants.