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- 1. Multiple ChoiceWhat is an invertebrate?An animal with a backbonea mammalAn animal without a backbonebirds
- 2. Multiple Choice
Because sponges cannot move around they are considered ______.sessilesenilesedementaryspongin - 3. Multiple ChoiceSponges use pores tomove from place to place.filter food from the water.defend themselves.
- 4. Multiple ChoiceThis picture is an example of which group of invertebrates?Segmented wormsFishSpongesArthropods
- 5. Multiple Choice
Sponges belong to which invertebrate phylum?
Porifera
Cnidaria
Ctenophora
Echinodermata
- 6. Multiple ChoiceWhat type of symmetry do Porifera have?asymmetricalbilateralradialexoskeleton
- 7. Multiple ChoiceWhat type of symmetry do cnidarians haveasymmetricalbilateralradialmedial
- 8. Multiple Choice
Which of the following is a correct description of the Cnidarian digestive tract?
A complete digestive tract consisting of two openings.
A complete digestive tract consisting of one opening
A sac-like digestive tract consisting of two openings.
A sac-like digestive tract consisting of one opening.
- 9. Multiple Choice
I have tentacles with stinging cells and a radial symmetry. I am a sea anemone. Which Phylum do I belong to?
Arthropod
Cnidarian
Echinoderm
Mollusk
- 10. Multiple ChoiceI have a digestive cavity with one opening, and have tentacles. I am a hydra.EchinodermCnidarianArthropodMollusk
- 11. Multiple Choice
To what phylum do these organisms belong?
Annelid
Mollusk
Echinoderm
Cnidarian
- 12. Multiple ChoiceI have a soft-body, a hard shell, and live on land and water. What am I?MolluskArthropodEchinodermCnidarian
- 13. Multiple ChoiceWhat type of body do all Mollusks have?SegmentedSoftRigidClear
- 14. Multiple ChoiceAll mollusks have an external shell.TrueFalse
- 15. Multiple ChoiceMollusks possess this type of skeleton.endoskeletonexoskeletonhydrostaticpneumo
- 16. Multiple ChoiceWhat type of symmetry do MOST mollusks have?BilateralRadialCircularAsymmetrical
- 17. Multiple ChoiceWhat phylum am I in?EchinodermCnidarianMolluskAnnelid
- 18. Multiple ChoiceMollusks can be aquatic or terrestrial.TrueFalse
- 19. Multiple Choice
Flat bodied worms are grouped together in which phylum?
Phylum Platyhelminthes
Phylum Nematoda
Phylum Annelida
- 20. Multiple ChoiceWhat type of symmetry does Platyhelminthes have?Bilateral symmetryRadial symmetryNone
- 21. Multiple Choice
This is a planaria, which is a type of parasitic worm. Which phylum is it placed in and why?
Nematoda, because it is round.
Annelida, because it is segmented.
Playhelminthes, because its flat.
- 22. Multiple Choice
Tapeworms belong to which phylum?
Cnidaria
Platyhelminthes
Nematoda
- 23. Multiple ChoiceWhich phylum do roundworms belong to?TurbellariaCestodaNematodaPorifera
- 24. Multiple ChoiceWhich of the following phyla contains mostly parasitic roundworms?AnnelidaCnidaraNematodaPlatyhelminthes
- 25. Multiple ChoiceWhat phylum?PlatyhelminthesNematodaAnnelidaEchinodermata
- 26. Multiple ChoiceWhich of the following is an example of a segmented worm?OctopusCrustaceanLeechSea Cucumber
- 27. Multiple Choice
Segmented worms belong to which invertebrate phylum?
Annelida
Porifera
Nematoda
Platyhelminthes
- 28. Multiple ChoiceWhat two characteristics do all Arthropods have?two legs per body segmentjointed legs and a cephalothoraxthree body segments and metamorphosisjointed legs and segmented bodies
- 29. Multiple ChoiceAll arthropods have segmented bodies, jointed appendages, and ________________.tailslungswingsan exoskelton
- 30. Multiple ChoiceWhy do arthropods have to shed their exoskeletons?it wears outthey don't shedit limits the size they can growto go from water to land environments
- 31. Multiple ChoiceWhat am I?ArthropodCnidarianMolluskPorifera
- 32. Multiple ChoiceI have a hard exoskeleton, a segmented body, pairs of jointed appendages, and live on land and water. I am a crab. What is my phylum?MolluskArthropodEchinodermCnidarian
- 33. Multiple ChoiceI have four pairs of legs and a body divided into two sections. I am an arachnid.EchinodermCnidarianMolluskArthropod
- 34. Multiple ChoiceI have a long thin body and pairs of legs on each section of my body. I am a centipede.ArthropodAnnelidEchinodermCnidarian
- 35. Multiple ChoiceI have three pairs of legs and a body divided into three sections. As a butterfly, I have wings.EchinodermAnnelidArthropodMollusk
- 36. Multiple ChoiceI am spiny and have a water vascular system with tube feet. I am a sea cucumber.CnidarianEchinodermMolluskAnnelid
- 37. Multiple ChoiceIn what phylum am I?MolluskEchinodermCnidarianAnnelid
- 38. Multiple ChoiceI am spiny, have a water vascular system with tube feet, radial symmetry, and am called a brittle star.MulloskArthropodEchinodermCnidarian
- 39. Multiple ChoiceWhat is the top of a sea star called?OralDorsalAboralCentral ring
- 40. Multiple ChoiceWhat does Echinodermata mean?Hard shellMany armsSoft bodiedSpiny skin
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