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1. The proper sequence of life stages in the life of a butterfly is:
A. egg - pupa - adult
B. egg - pupa - larva - adult
C. egg - larva - adult
D. egg - larva - pupa - adult
2. ALL fungi are:
A. heterotrophic
D. saprophytic
B. photosynthetic
E. parasitic
E. egg - adult
C. pathogenic
3. Which of the following phylogenetic groups within the animal kingdom encompasses all the
others in the list?
A. pseudocoelomates
B. deuterostomes
C. bilateria
D. coelomates
E. protostomes
4. Bilateral symmetry in the animal kingdom is best correlated with:
A. an ability to sense equally in all directions
B. adaptation to terrestrial environments
C. development of a true coelom
D. the presence of a skeleton
E. motility and active predation and escape
5. Different lineages of the Class Reptilia are believed to have given rise to which of the
following animal groups?
A. Birds
B. Amphibians
C. Bony fishes
D. Mammals
E. Both (A) and (D)
6. Medusa and polyp body plans are typical of which group:
A. Parazoa
B. Cnidaria
D. Platyhelminthes
E. Porifera
C. Echinoderms
7. Which of the following is radially symmetrical?
A. a donut
B. an automobile
C. a spoon
D. a dog
E. a submarine sandwich (a.k.a. hoagie, sub, grinder, etc.)
8. Unlike other animals, sponges:
A. are unicellular.
B. possess cell walls.
D. exhibit bilateral symmetry.
E. are prokaryotic.
C. lack true tissues.
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9. Octopuses are most closely related to which of the following organisms?
A. clams
B. jellyfish
C. starfish
D. earthworms
E. crabs
10. There are three major groups of mammals, categorized on the basis of their
A. size.
B. habitat.
C. method of locomotion.
D. the presence or absence of hair.
E. method of reproduction.
11. The innovation that freed vertebrates from being tied to water for reproduction and allowed
them to radiate into diverse terrestrial environments was the development of
A. an operculum.
B. the placenta.
C. lateral line system.
D. bony appendages.
E. amniotic egg.
12. Which of the following classifications would not apply to both dogs and humans?
A. Sub-phylum Vertebrata
B. Kingdom Animalia
C. Phylum Chordata
D. Order Primates
E. Class Mammalia
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13. A marine biologist dredged up a small animal from the bottom of the ocean. It was uniformly
segmented, with short, stiff appendages and soft, flexible skin. It had a complete digestive system
and an open circulatory system, but no skeleton. Based on this description, this animal sounds
most like:
A. a lancelet.
B. a crustacean.
C. a mollusk.
D. a roundworm.
E. an annelid.
14. Gilled mushrooms typically available in local supermarkets have meiotically produced
spores located in or on _____________ and belong to the division ______________.
A. hyphae - Hyphomycete
B. asci - Ascomycete
C. basidia - Basidiomycota
D. hyphae - Phycomycete
E. asci - Basidiomycota
15. The evolutionary lineages that gave rise to humans and chimpanzees diverged about
______________ years ago.
A. 2,500,000
B. 5,000,000 - 8,000,000
C. 35,000,000
D. 80,000,000 - 100,000,000
E. Humans and chimpanzees never diverged because they do not share a common
primate ancestor.
16. Animals are:
A. multicellular eukaryotic heterotrophs
C. multicellular prokaryotic heterotrophs
E. unicellular prokaryotic heterotrophs
B. unicellular eukaryotic heterotrophs
D. multicellular eukaryotic autotrophs
17. The body of a fungus (with the exception of yeast) consists of threadlike _____________ ,
which form a network called a _____________.
A. mycelia . . . dikaryon
B. hyphae . . . chytrid
C. mycelia . . . hypha
D. hyphae . . . mycelium
E. sporangia . . . dikaryon
18. Based on our current understanding of the evolutionary relationships among organisms,
humans evolved from:
A. a ray-finned fish
B. an amphibian
C. a primate
D. a reptile
E. all of the above
19. Insects are typically characterized by all of the following EXCEPT:
A. Three pairs of legs
B. Two pairs of antennae
C. Four wings
D. A head, thorax, and abdomen
E. Bilateral symmetry
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20. Unlike placental mammals, both monotremes and marsupials:
A. are found in Australia and Africa
B. lack nipples
C. include only insectivores and herbivores D. lay eggs
E. have some embryonic development outside the mother's uterus
21. Fungi are classified on the basis of
A. their source of food.
B. whether they form molds.
C. their sexual stage.
D. their commercial use.
E. the number of nuclei that are found in a dikaryon.
22. The Chelicerata (spiders and their kin):
A. have antennae
B. have three body regions: head, thorax, abdomen
C. have anterior (forward) appendages modified as pincers or fangs
D. undergo complete metamorphosis during their life cycles
E. have all of the above (A-D) features
23. The greatest number of described species is found in which of the following groups of
A. Kingdom Plantae
B. Subphylum Vertebrata
C. Kingdom Fungi
D. Class Insecta
E. Kingdom Animalia
24. The symbiotic association between photosynthetic organisms (algae or cyanobacteria) and
fungi is known as a:
A. Mushroom
B. Mold
C. Mycorrhizae
D. Lichen
E. Yeast
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