Zoology vocabulary
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Zoology Vocabulary. 4 th Grade. Zoology. The study of animals. Vertebrate. An animal that has a vertebral column or backbone. Endoskeleton. A skeleton located inside the body. Homeotherm. An animal that is warm-blooded

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Zoology
Zoology

  • The study of animals


Vertebrate
Vertebrate

  • An animal that has a vertebral column or backbone


Endoskeleton
Endoskeleton

  • A skeleton located inside the body


Homeotherm
Homeotherm

  • An animal that is warm-blooded

  • Body temperature remains constant regardless of surrounding temperatures


Poikilotherm
Poikilotherm

  • An animal that is cold-blooded

  • Body temperature changes to match the surrounding temperatures


Warm blooded
Warm-Blooded

  • Homeotherm

  • Body temperature remains constant regardless of surrounding temperatures


Cold blooded
Cold-Blooded

  • Poikilotherm

  • Body temperature changes to match the surrounding temperatures


Invertebrate
Invertebrate

  • An animal that does not have a vertebral column or backbone


Arthropods
Arthropods

  • A phylum of invertebrates with segmented bodies, jointed legs, & an exoskeleton

  • They molt as they grow


Exoskeleton
Exoskeleton

  • A skeleton located outside the body


Zoology vocabulary
Molt

  • To shed the outer skeleton


Insects
Insects

  • A class of arthropods with 3 body segments, 3 pairs of legs, 1 or 2 pairs of wings, & 1 pair of antennae


Arachnids
Arachnids

  • A class of arthropods with 2 body segments, 4 pairs of legs, fangs, & no antennae


Metamorphosis
Metamorphosis

  • The changing of an animal’s body form during its life cycle


Larva
Larva

  • The young of amphibians and fish, like frogs

  • The young of insects that go through complete metamorphosis, like butterflies & beetles


Nymph
Nymph

  • A young insect that looks like its parent but lacks some of the body parts it will have as an adult


Zoology vocabulary
Pupa

  • The stage in complete metamorphosis where an insect’s body is changing completely & developing new structures


Herbivore
Herbivore

  • An animal that eats only plants


Carnivore
Carnivore

  • An animal that eats only meat (other animals)


Omnivore
Omnivore

  • An animal that eats plants and other animals


Detritivore
Detritivore

  • An animal that eats only dead plants & animals