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Chap. 16

QuestionAnswer
sessile Fixed in one place and are able to move the enviorment towards dem
bilateral symmetry triangle
radial symmetry pie; starfish
vertebrates animals with bckbone
invertebrates animals w/o bckbone
endoskeleton skeloten
tetrapod animals w/ 4 limbs
homeothermic warm blooded mammals; maintaining the same temp.
omnivore consume both plant and animals foods
placenta A flattened circular organ in the uterus of pregnant eutherian mammals, nourishing and maintaining the fetus through the umbilical cord
embryo stage of development
fetus young individual
gestation period entire period of growth from fertilization birth
umbilical cord connecting fetus to the placenta
viviparous mammals that bear their young alive and nourish them during development
oviparous Egg-laying.
diurnal Active during the day-time.
nocturnal Active at night.
marsupial Pouched animals
marsupium An abdominal pouch.
insectivorous Insect orders.
prehensile A tail designed for grasping things.
tail Is a body part designed for grasping objects.
rodent Small, gnawing mammals.
hoofs Enlarged thickened toenails
ungulates Hoofed animals are called this.
ruminant Animals that chew their cud.
rumen The largest portion of the stomach
extinct When a type of animal is no longer on earth.
endangered In danger of becoming extinct.
Created by: elopez5897
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