1. Which of these are characteristics of animals?

a. Multicellular with specialized tissue and organs
b. Heterotrophic
c. Protect the developing embryo from dessication
d. All of the above
e. None of the above

2. Animals invaded land

a. 1 billion years ago
b. about or a little bit more than about than 500 million years ago
c. about or a little bit more than about than 400 million years ago
d. about or a little bit more than about than 300 million years ago
e. yesterday

3. Problems which animals needed to overcome when invading land from the oceans.

a. Supporting locomotion
b. Transporting water
c. Surviving slow environmental changes
d. a, and b
e. a, b, and c

4. When animals invaded land, some solved reproductive problems by

a. not reproducing
b. reproducing in water
c. "waterproof membranes" (e.g., amniotic sac)
d. internal reproduction
e. b, c, and d

5. Ascaris is a parasitic

a. roundworm
b. flatworm
c. cnidaria
d. sponge
e. arthropod

6. Select the animal group(s) with bilateral symmetry.

a. Porifera
b. Cnidaria
c. Platyhelminthes
d. a and b
e. a, b, and c

7. Select the animal group(s) with radial symmetry.

a. Porifera
b. Cnidaria
c. Platyhelminthes
d. a and b
e. a, b, and c

8. Select the animal group(s) with asymmetry.

a. Porifera
b. Cnidaria
c. Platyhelminthes
d. a and b
e. a, b, and c

9. Scientific name for the sponge phylum?

a. Porifera
b. Cnidaria
c. Platyhelminthes
d. Arthropoda
e. Echinodermata

10. Scientific name for the flatworm phylum?

a. Porifera
b. Cnidaria
c. Platyhelminthes
d. Arthropoda
e. Echinodermata

11. Scientific name for the phylum of sea stars, sea urchins, sea cucumbers, sanddollars and the like?

a. Porifera
b. Cnidaria
c. Platyhelminthes
d. Arthropoda
e. Echinodermata

12. Scientific name for the phylum containing Homo sapiens?

a. Nematoda
b. Annelida
c. Mollusca
d. Chordata
e. Arthropoda

13. Protective external skeleton, as in the arthropods.

a. Endoderm
b. Ectoderm
c. Mesoderm
d. Endoskeleton
e. Exoskeleton

14. Protective internal skeleton, as in the vertebrates.

a. Endoderm
b. Ectoderm
c. Mesoderm
d. Endoskeleton
e. Exoskeleton

15. In animal embryos, the middle primary tissue layer that gives rise to muscles, connective tissue layers (e.g., lining the body cavity), and several internal organs.

a. Endoderm
b. Ectoderm
c. Mesoderm
d. Endoskeleton
e. Exoskeleton

16. In animal embryos, the outermost primary tissue layer that gives rise to the nervous system and the outer layer of the integument.

a. Endoderm
b. Ectoderm
c. Mesoderm
d. Endoskeleton
e. Exoskeleton

17. Bivalves:

a. Mussels
b. Clams
c. Oysters
d. a and b
e. a, b, and c

18. Blastopore:

a. Opening in the gastrula (first embryonic opening), which in deuterostomes develop into an anus.
b. Opening in the gastrula (first embryonic opening), which in protostomes develop into a mouth.
c. Opening in the gastrula (first embryonic opening), which in chordata develop into an anus.
d. Opening in the gastrula (first embryonic opening), which in insects develop into a mouth.
e. All of the above are correct

19. Adult sponges:

A. are sessile
B. are motile
C. have radial symmetry
D. a and b
E. a, b, and c

20. Biologists recognize about ___________ phyla in the animal kingdom.

A. 2
B. 5
C. 10
D. 20
E. 35

21. The exoskeleton in the Arthropoda:

a. made of chitin
b. serves as protection
c. must be shed for the animal to grow
d. all of the above
e. none of the above, the arthropods have an endoskeleton

22. Flatworms:

a. Platyhelminthes
b. Tape worms
c. Flukes
d. a and b
e. a, b, and c

23. Roundworms:

a. Annelida
b. Earthworms
c. Leeches
d. All of the above
e. None of the above

24. Deuterostomes:

a. Arthropods
b. The blastopore (first embryonic opening) develops into a mouth
c. The blastopore (first embryonic opening) develops into an anus
d. a and b
e. None of the above

25. Protostomes:

a. Chordata
b. The blastopore (first embryonic opening) develops into an anus
c. The blastopore (first embryonic opening) develops into a mouth
d. a and b
e. None of the above

26. Which organisms invaded land first?

a. Plants
b. Animals

27. Triploblastic animalia:

a. Chordata
b. Arthropoda
c. Animal with three types of germ layers (primary embryonic tissue types)
d. a and b
e. a, b, and c

28. Diploblastic animalia:

a. Cnidaria
b. Jellyfishes
c. Animal with two types of germ layers (primary embryonic tissue types)
d. a and b
e. a, b, and c

29. Coelomate animalia:

a. Arthropoda
b. Chordata
c. Nematoda
d. Platyhelminthes
e. a and b

30. Pseudocoelomate animalia:

a. Arthropoda
b. Chordata
c. Nematoda
d. Platyhelminthes
e. a and b

31. Acoelomate animalia:

a. Arthropoda
b. Chordata
c. Nematoda
d. Platyhelminthes
e. a and b