1
Animals that are attached to a single location but can move the environment toward themselves for the purpose of trapping food
sessile
an example of a baleen whale is the
blue whale
active at night
nocturnal
enlarged, spearlike incisor teeth of an elephant
tusks
sac in a bird's esophagus that stores food
crop
mammals have this type of symmetry
bilateral
apes, monkeys, and lemurs are classified as
primates
active during the day
diurnal
marsupials
heart of a bird has ________ chambers
4
the embryos of viviparous mammals develop in a special muscular organ called the
uterus
ruminants
chew the cud
have a special four-chambered stomach for the digestion of cellulose
herbivorous mammals
eat plants
shrew, moles, and hedgehogs are classified as
insectivores
animals that bring forth live young from eggs hatched within the mother's body
ovoviviparous
gnawing mammals such as mice, beavers, and squirrels are classified as
rodents
tetrapod
four appendages
homeothermic
warm-blooded: internal regulation of temperature
animals with hooves
ungulates
scientist who studies birds
ornithologist
rabbits, hares, and pikas are classified as
lagomorphs
characteristics of mammals
warm-blooded
mammary gland
four-chambered heart
poikilothermic
cold-blooded: temp regulated by outside environment
vertebrate characteristics
backbone
bilateral symmetry
internal skeleton
false