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Intro. to Animals

Life Science Chapter 13 TEST Review

QuestionAnswer
An animal without a backbone... Invertebrate
An animals with a backbone... Vertebrate
Body parts arranged in a circle... Radial Symmetry
Remains attached to one place for a life span... Sessile
Located on inside of a sponge, help water movement... Collar Cells
Replacing body parts... Regeneration
Animals that produce both sperm and eggs... Hermaphrodite
Young organisms... Larvae
Body plan that is shaped like a tube or vase... Polyp
Body plan that is bell-shaped... Medusa
Young worm with a protective covering... Cyst
A vertebrate is defined as having a(n) ______________________ Backbone
An animal with ___________________ has its body parts arranged in the same way on both sides of its body Bilateral Symmetry
Early scientists classified sponges as ___________ Plants
Most sponges have _________________ Asymmetrical Form
The body of a sponge is covered with many small openings called __________________ Pores
Their __________ help sponges to filter feed Collar Cells
The bodies of many sponges contain sharp structures called _______________ Spicules
Sponges reproduce ____________ Asexually and Sexually
Most cnidarians live in _______________ Oceans
All cnidarians have ______________ Radial Symmetry
Cnidarians reproduce _____________________ Asexually and Sexually
Flatworms and roundworms have______________ symmetry Bilateral
Tapeworms lack _________________ systems Digestive
Heartworm is a disease in dogs caused by _________ Roundworms
____________ can be prevented by thoroughly cooking pork Trichinosis
Animals cannot make their own ___________ Food
Animals must ____________ the food they consume Digest
Animals are capable of __________________ Locomotion
Animals are ________________ Multicellular
Animals are ____________________, having a membrane-bound nucleus Eukaryotic
Are simple, have hollow-tubed body, pores, collar cells and spicules Sponges
Can have either a polyp or medusa shaped body plan, stinging cells, nerve net, and tentacles Cnidarians
Have a flat body, three tissue layers, mouth and pharynx Flatworms
Made up of a tube within a tube, three tissue layers, mouth and anus Roundworms
Scientists classify sponges based on the ____________ that makes up their skeletons Material
Sponges are members of phylum _______________ Porifera
The body plans of Cnidarians are the polyp and the ______________ Medusa
A _______________ must live off another living organism Parasite
An animal that does not require a host is referred to as _______________ Free-Living
Created by: SavannahElkins
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