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7 Sci Test 5 Ch 6-7
| Term | Definition |
|---|---|
| angiosperms & gymnosperms | two groups of seed plants |
| bats | only mammals that can actually fly |
| blue whale | largest mammal ever known |
| body structure | most important basis for classifying living things |
| bryophytes | plants without vascular systems |
| carnivore | flesh-eating animal |
| club moss | type of nonseed vascular plant |
| colenterates | invertebrates that have tentacles with stinging cells; includes coral |
| echinoderms | marine animals covered with spines; includes starfish & sand dollars |
| echolocation | special system by which bats are able to find their prey |
| endoskeleton | refers to an internal skeleton |
| fern | plants with leaves called fronds |
| flatworms | invertebrates that include flukes, tapeworms & planarians |
| four | number of chambers in a mammal's heart |
| herbivore | animal that eats only plants |
| hibernation | term that refers to a dormant winter state in which body temperature drops close to the freezing point |
| incisors | front cutting teeth of a mammal |
| invertebrates | animals without backbones |
| Linnaeus | Father of Taxonomy |
| mammals | only animals that have a diaphragm |
| mollusks | invertebrates that have a muscular foot & often an external shell |
| moss | plant without a vascular system that often forms a ush, green coating on moist surfaces |
| nematodes | invertebrates with long, slender; non-segmented bodies that taper at both ends; also called roundworms |
| omnivore | animal that eats both plants and animals |
| parasites | organisms hat live in or on other organisms & obtain nutrients from them |
| placental | mammals whose young develop in a uterus or womb |
| Ray | developed a modern definition of the word species |
| scientific name | Genus species (italicized or underlined) |
| segmented worms | invertebrates that include earthworms & leeches |
| setae | Bristle-like structures that help segmented worms move |
| sloth | slow-moving arboreal mammal with large claws |
| species | distinct type of organism |
| sponges | only multicellular animals without nervous system; also known as pore-bearers |
| spores | tiny one-celled reproductive structures produced by certain nonseed plants |
| taxonomy | science of classification |
| tracheophytes | plants with vascular systems |
| vertebrates | animals with backbones |
| visceral hump | contains the internal organs of mollusks |
| warm-blooded | term used to refer to animals that regulate their body temperature internally |
| zoologist | biologist who study animals |
Created by:
Mrs_CC
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