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Animal Features and Invertebrate Review
1. Each of the characteristic listed are animal features except:
a. Diploidyb. Heterotrophyc. Cells with cell wallsd. Multicellularity
2. Diploidy means that organisms have
a. One copy of each chromosome.b. Two copies of each chromosomec. Three copies of each chromosomed. None of the above
3. A benefit of the coelom is that
a. It aids in digestionb. It aids in movementc. It protects organs d. All of the abovee. None of the above
4. Diploidy allows for
a. Multicellularityb. Diversityc. Mobilityd. Sexual reproduction
5. The endoderm gives rise to the
a. Skin and sense organsb. Respiratory and digestive systemsc. Skeletons and musclesd. None of the above
6. Symmetry where the body structures are oriented around a central axis is referred to as
a. Bilateral symmetryb. Asymmetryc. Radial symmetryd. None of the above
7. The ectoderm gives rise to the
a. Skin and sense organsb. Respiratory and digestive systemsc. Skeletons and musclesd. None of the above
8. The mesoderm gives rise to the
a. Skin and sense organsb. Respiratory and digestive systemsc. Skeletons and musclesd. None of the above
9. The concentration of sensory organs in the anterior end of an organism is called
a. Muticellularityb. Segmentationc. Diploidyd. cephalization
10.Most direct evidence of evolutionary relationships between animal species comes from comparing
a. Anatomyb. Weightc. DNAd. fossils
Evolutionary Milestone
Name the group that corresponds to the following evolutionary milestones.
deuterostome
• coelem
• Pseudocoelom
• Multicelluar - but no tissues
• Jointed appendages
• segmentation
• True tissues
• cephalization
Representative Species
• Name the phylum that the following species belong to.
• Sea urchins, sand dollars, sea cucumbers
• Tapeworms, flukes, planarians
• Squid, snails, octopus
• Sponges
• Earthworms, leeches
• Hookworm, roundworm, heartworm
• Crab, spider, horsefly
• Sea anemone, hydra, coral, jellyfish