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- 1. Multiple ChoiceThe simplest invertebrates are asymmetrical and have no tissues or organs. Which one is an example?cnidarianspongesflatwormroundworm
- 2. Multiple ChoiceWhich is one of the 3 classes of fish?bony fishmammary fishspiny fishamphibious fish
- 3. Multiple ChoiceWhat is a hydrostatic skeleton?fluid filled internal cavity surround by musclehard outer covering such as a shellhard internal structure made out of bonehard internal structure made out of cartilage
- 4. Multiple ChoiceNerve nets are found in animals that have which of the following?radial symmetry and brainbilateral symmetry and brainradial symmetry and no brainbilateral symmetry and no brain
- 5. Multiple ChoiceWhat kind of animals move by undulation?only land animalsonly water animalsboth land and water animalsNo animals move by undulation
- 6. Multiple ChoiceMost reptiles have a heart with ________ chambers?234none of these
- 7. Multiple ChoiceAbout 97% of all animals species areinvertebratesradially symmetricalvertebratesasymmetrical
- 8. Multiple ChoiceWhich of the following is typical of an invertebrate?smaller sizecomplex organ systembackbonestructured
- 9. Multiple ChoiceWhat kind of arthropod has exactly 8 legs?crustaceanarachnidcentipedeinsect
- 10. Multiple ChoiceAll chordates have a(n)backbone made of boneexoskeletonbackbone made of cartilagenotochord
- 11. Multiple ChoiceAll arthropods have an external covering calledgillsendoskeletonexoskeletonmantle
- 12. Multiple ChoiceFrog hearts have how many chambers2345
- 13. Multiple ChoiceThe small green "pea like" item that stores bile is called apancreasgall bladderintestinecloaca
- 14. Multiple ChoiceWhich of the following is NOT a characteristic of members of the animal kingdom?Make their own foodhave cells specialized for digestionget food externallyhave protein shaping cells
- Answer choicesTagsAnswer choicesTags