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29 terms

Animals part 4

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adaptation
inherited charateristic that increases an organisms chance of survival
amniotic egg
egg composed of shell and membranes that create a protected enviorment in wich the embryo can develop out of the water
anthropoid
humanlike primate
binocular vision
ability to merge visual images from both eyes, wich provides depth perception and a three-dimensional veiw of the world
bipedal
term used to refer to two-footed locomotion
camouflage
the act of concealing the identity of something by modifying its appearance
carapace
in crustaceans, the part of the exoskeleton that covers the cephalothorax
cerebral cortex
outer layer of the cerebrum of a mammal's brain
crop
in earthworms, part of the digestive system in wich food can be stored
diversity
difference, variety; a condition of having many different types of forms
ectotherm
animal that relies on interactions with the enviorment to help it control body temperature
endotherm
animal that generates its own body heat and controls its body temperature
gizzard
in earthworms, part of the digestive system in wich food is ground into smaller peices
hibernation
cessation from or slowing of activity during the winter
hominid
primate that walks upright, has opposable thumbs and possesses a large brain
hominoid
member of a group of primates that includes apes and humans
locomotion
self-propelled movement
mammals
vertebrates that live on land, fur or hair covers body, live birth, warm blooded
mammary gland
gland in mammals that produces milk to nourish the young
marsupial
mammal wich bears live young that complete their development in an external pouch
migration
periodic movement and return of animals from one place to another
mimicry
the resemblance of an animal species to another species or to natural objects
monotreme
egg-laying mammal
opposable thumb
thumb that enabels grasping objects and using tools
placenta
organ in placmental mammals through wich nutrients, oxygen, carbon dioxide, and waste are exchanged between embryo and mother
plastron
ventral part of a turtle's or tortoise's shell
prosimians
with few execeptions, small, nocturnal primate that has large eyes for seeing in the dark
reptiles
any vertabrate that has dry scaly skin, lungs, and terrestrial eggs with several protective membranes
subcutaneous fat
layer of fat cells beneath the skin