Term
| What is the simplest group of invertebrates? |
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Definition
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Term
| Sponges reproduce sexually and asexually.T/F |
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Definition
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Term
| What phylum do sponges belong to? |
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Definition
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Term
| What are thin, spiny structures that form the skeletons of many sponges? _____________ |
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Definition
| What are thin, spiny structures that form the skeletons of many sponges? _spicules______ |
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Term
| The process by which a single organism produces a new organism is called ____________, |
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Definition
| The process by which a single organism produces a new organism is called _Asexual Reproduction_ |
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Term
| What is an example of a polyp and a medusa shaped cnidarian? |
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Definition
| Polyp=vase shaped Ex. Coral & sea anemones & hydras (stay in one place primarily) and Medusa=bowl shaped Ex. jellyfish (move around) |
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Term
| What is the difference between the polyp shape and the medusa shape? |
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Definition
| Polyp=vase shaped Medusa=bowl shaped Ex. jellyfish |
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Term
| ___________ live together in colonies and are polyps. |
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Definition
| __Coral_____ live together in colonies and are polyps (vase shaped body with an oral opening). |
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Term
| Which of the following is not a cnidarian? a)Hydra b)Sea anemone c)Clam d)coral |
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Definition
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Term
| What are the stinging structures found on the tentacles of a cnidarian called? a)Hooks b)Setae c)Radula d)nematocysts |
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Definition
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Term
| What structures help an earthworm move under and along the ground? |
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Definition
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Term
| What is the ability of an organism to regrow lost parts? a)Parasitism b)Autotrophism c)Regeneration d)budding |
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Definition
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Term
| Which phylum do segmented worms belong to? |
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Definition
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Term
| What phylum includes roundworms? |
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Definition
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Term
| What phylum includes flatworms? |
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Definition
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Term
| What are the three groups of mollusks? |
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Definition
| 1)Gastropods-one shell or no shell 2)Bivalves-two shells 3)Cephalopods-tentacles (nautilus has a shell) |
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Term
| Mollusks are soft bodied vertebrates that typically have inner or outer shells |
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Definition
| Mollusks are soft bodied INvertebrates that typically have inner or outer shells. False Invertebrates |
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Term
| Octopus and squid and chambered nautilus are examples of _bivalves_____.(T or F and give correct answer if F) |
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Definition
| Octopus and squid and and chambered nautiluses are examples of _cephalopods_____.FALse cephalopods |
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Term
| Clams are members of the phylum __________________. |
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Definition
| Clams are members of the phylum __Mollusca_. |
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Term
| What is the main function of the mantle? |
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Definition
| Mantle=Produces the material that makes up the hard shell. |
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Term
| Which organism is an animal? A)Lion b) Dog c) Earthworm d) All of the above |
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Definition
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Term
| What are organisms that make their own food called? a)Consumers b) Decomposers c) Autotrophs d)Heterotrophs |
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Definition
| What are organisms that make their own food called?c)Autotrophs |
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Term
| Animals that have backbones are called _____________. |
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Definition
| Vertebrates. Those w/o backbones are calledÂ…Â…invertebrates |
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Term
| What is the process by which a new organism results from the joining of a female cell and a male cell? a) Asexual reproduction b) Sexual Reproduction c) Budding d) Regeneration |
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Definition
| What is the process by which a new organism results from the joining of a female cell and a male cell? b) Sexual Reproduction |
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Term
| What is the next largest group of organisms after a kingdom? a)Class b)Phylum c)Order d)species |
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Definition
| King Phillip Came Over For Good Spaghetti: What is the next largest group of organisms after a kingdom? b)Phylum |
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Term
| What are the three phyla of worms and describe the shape of each? |
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Definition
| 1)Nematoda-round 2)Annelida-segmented 3)Platyhelminthes-flat |
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Term
| What are 4 types of invertebrates that belong to Kingdom Animalia? |
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Definition
| 1)Mollusks 2)Worms 3) Sponges 4) cnidarians |
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Term
| Why is it important for there to be moisture in order for worms to survive? |
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Definition
| B/c worms have no respiratory organs. They absorb oxygen through the skin and CO2 leaves through the skin. The skin must be moist in order for this to happen. W/o moisture it will suffocate and die |
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Term
| Do earthworms have an open or closed circulatory system? |
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Definition
| CLOSED (all body fluids are contained within small tubes) |
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Term
| How does a segmented worm improve the quality of the soil in which it lives? |
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Definition
| Worms burrow through the soil creating passages for air to enter thus improving soil quality. Also they partially digest plant and animal matter thus fertilizing the soil. |
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