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ACT Science - Animal Life and Evolution

Here you will learn some English words related to animal life and evolution, such as "endemic", "diurnal", "toxicity", etc. that will help you ace your ACTs.

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ACT Vocabulary for Science
insectivore

an animal that primarily feeds on insects or other small invertebrates

[noun]
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carnivorous

(of plants or animals) feeding on the meat or flesh of other animals

[Adjective]
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herbivorous

(of an animal) solely feeding on plants

[Adjective]
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heterotroph

an organism that cannot produce its own food and must obtain energy by consuming other organisms or organic matter

[noun]
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detritivore

an organism that breaks down and feeds on dead organic matter, such as decaying plant and animal material

[noun]
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parasitic

relating to organisms that live on or inside other organisms, benefiting at the expense of their hosts

[Adjective]
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endothermic

(of an animal) generating and regulating their own body heat internally

[Adjective]
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arousal

the process of waking up or becoming active and alert, often influenced by environmental stimuli or internal biological rhythms

[noun]
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to hibernate

(of some animals or plants) to spend the winter sleeping deeply

[Verb]
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venom

the poisonous substance produced by some snakes, scorpions, or spiders to kill their prey or to defend themselves from predators

[noun]
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toxicity

the harmful effects or potential for harm caused by a substance to living organisms or the environment

[noun]
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potency

the capacity or ability of an organism, often referring to its genetic potential, reproductive success, or influence within its environment

[noun]
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habitat

the place or area in which certain animals, birds, or plants naturally exist, lives, and grows

[noun]
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predatory

(of wild animals) living by preying on other animals, especially live animals

[Adjective]
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ecosystem

a community of living organisms together with their physical environment, interacting as a system

[noun]
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diurnal

primarily active or occurring during the daytime

[Adjective]
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nocturnal

(of animals or organisms) primarily active during the night

[Adjective]
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crepuscular

(of an animal) active during the twilight hours of dawn and dusk

[Adjective]
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to regurgitate

to bring up partially digested food from the stomach back into the mouth, often to feed young or as part of the digestive process

[Verb]
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endoskeleton

the internal bony structure of an animal that gives it form and supports its weight

[noun]
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exoskeleton

the hard outer covering that supports the body of an animal, such as an arthropod

[noun]
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extinct

(of an animal, plant, etc.) not having any living members, either due to natural causes, environmental changes, or human activity

[Adjective]
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de-extinction

the process of bringing extinct species back to life through scientific methods

[noun]
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domesticated

(of a wild animal) tamed and adapted to live with or to the benefit of humans

[Adjective]
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conservation

the protection of the natural environment and resources from wasteful human activities

[noun]
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cloning

the scientific process of creating an identical or near-identical copy of a living organism, cell, or DNA sequence through asexual reproduction or genetic engineering techniques

[noun]
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evolutionary

related to evolution or the slow and gradual development of something

[Adjective]
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subspecies

a taxonomic rank below species that represents a distinct population within a species, exhibiting consistent differences from other populations

[noun]
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primitive

characteristic of an early stage of human or animal evolution

[Adjective]
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endangered

(of an animal, plant, etc.) being at risk of extinction

[Adjective]
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endemic

found or restricted to a specific geographic region or habitat

[Adjective]
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mastodon

an extinct large, elephant-like mammal with long, curved tusks and a body covered in hair, which lived during the Pleistocene epoch

[noun]
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neanderthal

an extinct hominid species closely related to modern humans, characterized by a robust build and distinctive facial features, that lived in Europe and parts of Asia until approximately 40,000 years ago

[noun]
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