Animal Vocabulary ESTIVATION n Period of inactivity drop

Animal Vocabulary

ESTIVATION n Period of inactivity, drop in metabolism during hot, dry period

ENDOTHERM n Animal who maintains a steady body temperature.

EXOSKELETON n Hard outer covering made of chitin

POSTERIOR n Term meaning toward the tail end of the organism

INVERTEBRATE Animal that does not have a backbone

PREY n Organism that is hunted for food

CARNIVORE n Animal that eats other animals

DETRITOVORE n Animal that feeds on detritus

OMNIVORE n Animal that eats plants and animals

PARASITE n Organism that relies on another food or shelter and harms the host.

ASYMMETRY n No definite body plan

EXTERNAL FERTILIZATION n Fertilization that occurs outside of the female’s body.

RADIAL SYMMETRY n Body parts arranged around a central point like a wagon wheel

PREDATOR n Organism food that hunts another organism for

SKELETAL SYSTEM n Internal structure for support made of bone or cartilage

CLOSED CIRCULATORY SYSTEM n Circulatory in vessels system where blood is enclosed

VENTRAL n Belly side of the organism

VERTEBRATE n Animal that has a backbone

INTERNAL FERTILIZATION n Fertilization body. that occurs inside the female’s

MIMICRY n Adaptation when one organism closely resembles another more harmful organism.

BILATERAL SYMMETRY n Body parts arranged the same on both sides of the body

SESSILE n Creature that stays attached in one place most of its life

FREE-LIVING n Organism that doesn’t depend on another food or shelter

ECTOTHERM n Animal whose body temperature changes to its surroundings

HIBERNATION Period of inactivity, drop in metabolism during cold periods

ANTERIOR n Term meaning toward the head end of the organism

HERMAPHRODITE n Organism having both male and female reproductive organs.

OPEN CIRCULATORY SYSTEM n Circulatory system where blood is not enclosed in vessels, but bathes the organs

DORSAL n Back of the organism

SCAVENGER n Carnivore that eats the remains of animals

HERBIVORE n Animal plants that eats only plants or parts of

ADAPTATION n ANY change or specialized structure that helps an organism better survive in surroundings.