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Science Study Gude
| Question | Answer |
|---|---|
| Scientists believe the ____________ were the first animals to exist inn multicellular form. | sponges |
| The whiplike structures sticking out of the sponge called,_____________, direct the current of water through the sponge. | flagella |
| Three phyla of warms: _____________, ____________,and _______________ | segmented worms flatworms roundworms |
| The flatworm has ____ digestive-system opening, the _____________ has two. | one roundworms |
| ____________ are segmented worms with a well-developed body system including __________, ____________,and __________________. | Earthworms nervous digestive circulatory systems |
| Scientists believe the ____________ were the first group of animals to live on land and the first to have _______________________. | arthropods jointed antennae |
| Examples of crustaceans are: _________________________. | crabs, shrimp, and lobster |
| Examples of arachnids are: __________________________. | spiders, scorpions, and ticks |
| Animals with backbones are ___________________. All vertebrates have an ________________ with a ___________ and _____________ | vertebrates internal skeleton spine spinal cord |
| The body temperature of a __________________ changes with the surrounding temperature. Example: __________ | cold - blooded animal frog |
| The body temperature of a _____________________ stays the same even if the temperature if their surroundings change. Example: _______. | warm - blooded animal dogs |
| Scientists classify fish into three classes: _____________, have a round mouth, tube like body, single fins, no scsles and a skeleton made of cartilage. Example: __________- | jaw less fish lamprey |
| _______________, have a skeleton made of cartilage, jaws and paired fins. Example:__________ | Cartilage fish sharks and rays |
| _____________, have skeletons made of bones , well-developed sense organs, fins, and scales. Example: _____________________ | Bony fish goldfish, tuna, and trout |
| _____________, ______________, and ___________ are examples of amphibians. | Salamanders frogs toads |
| Warm - blooded animals make up two classes of vertebrates: __________ and _________. | birds mammals |
| Three different types of mammals are ( describe each- in one sentence) | Montremes are egg- laying mammals. platypus Marsupials are pouched mammals that give birh to underdeveloped young. kangaroo Placetal mammals develop their young inside the body of a female. Human |
Created by:
aprilfosterja
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