Download Bio. Unit 10 Invertebrates Test

Biology
Invertebrates Test
Unit 10
Invertebrates
Name ________________________
“The greatness of a nation and its moral progress can be judged
by the way its animals are treated.
- Mahatma Gandhi
Part 1. Short Answer. Place the letter of the best answer in the blank to the left of the question.
______1. These fossils were the first multicellular animals with bilateral symmetry and
segmentation.
a. Burgess Shale
b. Mongolia
c. Ediacaran hills
d. La Brea tar pits
_____ 2. The ancestors of most modern animal phyla first appeared during this period.
a. Pre-cambrian
b. Ediacaran
c. Silurian
d. Cambrian
_____ 3. The only phyla that does not exhibit either bilateral or radial symmetry.
a. Cnidaria
b. echinoderms
c. Mollusks
d. Sponges
_____ 4. Cells that work together to do a specific task (i.e. muscles)
a. tissues
b. organs
c. systems
_____ 5. A cladogram shows which type of relationship?
a. evolutionary
b. size
c. symbiotic
above
d. organisms
d. functional
_____ 6. This is one of two phyla that exhibits radial symmetry
a. flatworms
b. mollusks c. annelids
d. arthropods
e. none of the
e. echinoderms
_____ 7. This phyla is the first to show three germ layers, ecto, meso and endoderm.
a. Cnidarians
b. flatworms c. roundworms
d. arthropods e. chordates
_____ 8. An example of an echinoderm.
a. Barrel sponge
b. Planaria
c. Sea cucmber
_____ 9. One of the two main forms of cnidarians.
a. worm-like
b. polyp
c. asymmetrical
d. Octopus
e. Earthworm
d. bilateral
_____ 10. The concentration of nervous and sensory tissue at one end of an organism.
a. sensorization
b. collectivation
c. cephalization
d. brain development
_____ 11. Cells of the mesoderm specialize to become
a. lung tissue
b. muscles
c. nervous
d. blood
e. b & d
_____ 12. An advantage of segmentation.
a. different segments can have different functions.
b. segments are easier to replicate
c. segments allow for longer size
d. a & b
_____ 13. A fluid filled cavity between the digestive tube and the outer body wall. It serves as a
buffer between the outer wall and the inner organs.
a. coelom
b. stomach c. mesoderm d. intracellular space
e. a & c
_____ 14. Body cavities that are partially lined with mesoderm as are found in roundworms.
a. acoelomates
b. coelomates c. deuterostomes d. pseudocoelomates
_____ 15. An example of a freshwater cnidarian polyp.
a. Daphnia
b. Hydra
c. moon jellyfish
_____ 16. The chamber in the Hydra where food is digested.
d. sea anemone
a. cnidocysts
b. basal disc c. gastrovascular cavity
d. stomach
_____ 17. The type of nervous system a Hydra has.
a. dorsal nerve cord
b. ventral nerve cord c. double nerve cord
_____ 18. Hydra can reproduce asexually by
a. laying eggs
b. live birth through the mouth
c. fission
d. nerve net
d. budding
_____ 19. The cell layer found on the outside of the Hydra’s body.
a. endoderm
b. mesoderm
c. epidermis
d. ectoderm e. outerderm
_____ 20. Daphnia, a favorite food source for Hydra, are in the phylum
a. porifera
b. Platyhelminthes c. arthropoda d. crustacean
_____ 21. Daphnia are more evolved than Hydra in that they have
a. a heart
b. eye spots
c. stomach
d. gills
e. buggers
e. all of the above
_____ 22. An animal that relies primarily on intracellular digestion is the
a. sponge
b. clam
c. dragonfly
d. earthworm
e. the blob
_____ 23. Which of the animals, listed below, is not a member of the phyla Mollusca?
a. crayfish
b. clam
c. snail
d. squid
e. nautilus
_____ 24. The three trends that invertebrates show in the development of the nervous system are
centralization, cephalization and
a. specialization b. ganglia formation c. nerve net formation
d. eye formation
_____ 25. The invertebrate, listed below, that does not exhibit cephalization.
a. planaria
b. Giant squid
c. monarch butterfly
d. glass sponge
_____ 26. Invertebrates have one of three main kinds of skeletons, exoskeletons, endoskeltons and
a. hydrostatic skeletons b. cartilage skeletons c. bony skeleons d. chitin
_____ 27. An example of an invertebrate with an exoskeleton composed of chitin.
a. Hydra
b. Giant clam
c. Spiny lobster
d. Nautilus
_____ 28. In early development, this type of blastopore has its opening developing into the mouth.
a. protostome
b. zygote
c. deuterostome
d. blastula
e. wormy
_____ 29. In order for the exchange of oxygen and carbon dioxide an animal’s respiratory system
must be kept
a. cold
b. moist
c. dry
d. hot
e. none of the above
_____ 30. In a closed circulatory system, blood
a. comes in direct contact with tissues c. remains within blood vessels
b. empties into sinuses
d. carries just oxygen
_____ 31. An example of an invertebrate with an open circulatory system.
a. crayfish
b. earthworm
c. Giant squid
d. Leech
_____ 32. This toxic waste is a natural by-product of protein digestion and must be eliminated by all
animals.
a. carbon dioxide
b. ammonia
c. uric acid d. urea
e. c & d
_____ 33. The excretory organ of the earthworm.
a. Nephridia
b. flame cells c. malpighian tubules
d. kidneys
_____ 34. An example of the phylum annelida.
a. Hydra
b. Planaria
c. leech
_____ 35. How the earthworm is able to obtain oxygen.
a. gills
b. diffusion through the skin
d. earthworm
e. c & d
c. lungs
d. book lungs
_____ 36. A belt-like glandular swelling in the earthworm that is part of the reproductive system of
the Earthworm.
a. clitellum
b. setae
c. prostomium
d. septa
e.
periproct
_____ 37. This part of Earthworm’s digestive system is a strong, muscular organ that helps to grind
food.
a. crop
b pharynx
c. intestine
d. gizzard
e. nephridia
_____ 38. Since earthworms carry both ovaries and testes they are considered
a. hermaphrodites
b. androgenous
c. males
d. females
e. different
_____ 39. This type of reproduction involves the fertilization of the eggs inside the female’s body.
a. external fertilization b. parthenogenesis c. internal fertilization d. budding
_____ 40. This phyla contains animals that have spiny skin, tube feet, an endoskeleton and radial
symmetry.
a. porifera b. flat worms c. round worms d. echinoderms
e. crustaceans
Part 2. Short answer. Answer the following questions, briefly but completely.
1. Complete the comparing invertebrates table shown below. (12 points. .5 pts. each
answer!)
Sponges
Germ layers
Body symmetry
Cnidarians
Flatworms
Annelids
absent
radial
Cephalization
Coelom
Circulatory
system
Digestive system
Nervous system
absent
closed
2. Hydra diagram. Fill in the correct names for the parts of the Hydra shown below. (1 pt.
each)
1. ________________________
2. ____________________________
3. ________________________
4. ____________________________
5. ________________________
6. ____________________________
7. _________________________
8. ____________________________
9. _________________________
10. ___________________________
11. ________________________
3. Earthworm Diagram. Fill in the correct names for the parts of the Earthworm shown below.
(1 pt. each)