26 terms

Animals

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Molting
The process of an animal shedding its exoskeleton.
Vertebrates
Animals with backbones.
Invertebrates
Animals without backbones.
Endoskeleton
An internal skeleton.
Exoskeleton
An external skeleton.
Appendages
Used to help animals move and typically come in pairs.
Complete Metamorphosis
Insect life cycle that includes: egg, larva, pupa, and adult
Gradual Metamorphosis
Insect life cycle that includes: egg, nymph, mini adult, and adult
Bilateral Symmetry
Having one line of symmetry that divides into two equal halves.
Radial Symmetry
Many lines of symmetry that all go through a central point.
Ectothermic
When body temperature changes depending on the environment.
Endothermic
Able to regulate body temperature by controlling internal heat.
Fish
Jawless, cartilaginous, boney
Echinoderms
Sea stars, brittle stars, sea urchins, sea cucumbers
Mollusks
Gastropods, bivalves, cephalopods
Amphibians
Salamanders, frogs, toads
Worms
Flat, round, and segmented
Mammals
Monotremes, marsupials, placentals
Arthropods
Insects, crustaceans, centipedes, and millipedes
Reptiles
Lizards, snakes, alligators, crocodiles, and turtles.
Cnidarians
Medusas and polyps
Animal Characteristics
Multicellular, Heterotrophs, Energy from food, Cells need oxygen.
Asexual and Sexual Reproduction
Sponges, Cnidarians, Worms
Sexual Reproduction
Mollusks, Arthropods, Echinoderms, Fish, Amphibians, Reptiles, Birds, Mammals
Animal Invertebrates
Sponges, Cnidarians, Worms, Mollusks, Arthropods, Echinoderms
Animal Vertebrates
Fish, Amphibians, Reptiles, Birds, Mammals
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