Science Tezt Flashcards
(65 cards)
study of how living things interact in their physical environment
ecology
organisms environment or home
habitat
the basic unit of ecology
ecosystem
model used by ecologist to show all possible relationship at each trophic levels
food web
both organisms benefit
mutualism
organisms function or occupation
niche
one benefits and the other one is harmed
parasitism
one animal hunts kills and eats the other
predation
another name for the water cycle
hydrologic cycle
responsibly to take care of the earth
stewardship
wise use of natural resources
conservation
moves from place to place in its environment for food
animal
animal without a backbone
invertebrates
vertebrates have what symmetry
bilateral
animals with four appendages
tetrapods
means warm-blooded
homeothermic
animals that bear their young alive
viviparous
animals that lay eggs
oviparous
active at night
nocturnal
egg-laying mammals
echidna and platypus
system that bats use to locate their prey
echolocation
have more mammals in it then any other mammals combined
rodents
largest living animal
blue whale
chews the cud
ruminants