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6th - science
2.9-2.11
| Question | Answer |
|---|---|
| worms and mullusks | invertebrates without external skeletons |
| castings | the soil that passes through an earthworm's body |
| shell | a hard covering |
| univalve | one shelled mullusk |
| 1) swallows soil 2) only decayed plans and animal matter is digested by worm | interesting characteristics of earth worm |
| 1) enriching the soil 2) keeping the soil light and loose | 2 important jobs of earthworm |
| setae | moveable bristles |
| how many setae are on each segment? | 8 |
| parasite worms - examples? | leeches, tapeworms, roundworms |
| fastens on the skin of the host and sucks its blood - ew!! | leech |
| grows inside the intestine of the host, robbing it of important nutrients - ew, ew! | tapeworms |
| can live in the lymph nodes, intestine, and even the muscle of the host - gross! | roundworms |
| gastropod | "stomach foot" |
| farmer's enemy? | snail |
| does not have a shell | slug |
| 2 matching fan shaped shells | bivalves |
| examples of bivalves? | mussels, clams, scallops |
| cephalopods | "head foot" |
| examples of cephalopods? | octopus, squid, cuttlefish, nautilus |
| sea star has how many rays? | five or more |
| have two rows of tiny tube feet (little suction cups) | sea stars |
| looks like a pin cushion | sea urchin |
| feeds on plant and animal matter that if finds in the water | sea urchin |
| family member of the sea urchin | sand dollar |
| these range in size from a walnut to 12 feet in height!! | sponges |
| these are "decorative deceivers" | sea anemone (remember Nemo???) |
| looks like a flower on the ocean floor | sea anemone |
| its petals are really tentacles and are always ready to catch a fish or crab - ikes! | sea anemone |
| builds a base of limestone | coral polyp |
| millions of empty cups are here ... | coral reef |
| tiny freshwater invertebrate | hydra |
| can change its location by using its tentacles, like to do somersaults :) | hydra |
| each tentacle contains stinging cells with poison - ouch!!! | jellyfish |
| these guys have many growth changes during its life | jellyfish |
| they begin as larvae, fastening to an object, then grow into a polyp and mature its body | jellyfish |
| the young adult of these is a free floating medusa | jellyfish |
| this is actually a colony of several jellyfish creatures living and working together | portuguese man-of-war |
| microscope invertebrates | protozoans |
| smalles living unit in any living organism | cell |
| the jellylike fluid that fills the cell | cyptoplasm |
| directs the WORK of the cell | nucleus |
| instructions for running the cell and making needed parts | chromosomes |
| possibly as many as 45,000 different types of ... | invertebrates |
| has no definite shape | amoeba |
| amoebas move by pushing out projections called what? | pseudopods |
| psuedopods are also called ... | "false feet" |
| a shoe shaped protozoan, looks like a slipper | paramecium |
| parameciums are covered with hair called ... | cilia |
Created by:
kdeangelo
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