1. The bones of the wings of bats and the wings of birds are ; because wings evolved independently in the mammal lineage and the reptile/bird lineage, the functional wings themselves are .
A. homologous; homoplastic
B. homologous; homologous
C. homoplastic; homologous
D. homoplastic; homoplastic
E. analogous; homologous
2. The sperm of one species of sea urchin is chemically incompatible with the eggs of a closely related species. This type of reproductive isolating barrier is called
A. postzygotic isolation.
B. gametic isolation.
C. low hybrid zygote viability.
D. temporal isolation.
E. Both a and c
3. Which of the following was an essential step in the evolution of eukaryotic cells?
A. The development of a flexible cell surface
B. The development of a cytoskeleton
C. The development of a nuclear envelope
D. The endosymbiotic acquisition of certain organelles
E. All of the above
4. The many organisms designated as “protists” or “microbial eukaryotes” are
A. closely related to the bacteria.
B. a paraphyletic group
C. part of a monophyletic clade.
D. all unicellular.
E. all microscopic.
5. Microbial eukaryotes are ecologically and evolutionarily important for many reasons. Which of the following is not true of this group?
A. Multicellular groups evolved from microbial eukaryotes.
B. Photosynthetic microbial eukaryotes play a major role in the energy balance of the living world.
C. None of the microbial eukaryotes are parasites.
D. Saprobic microbial eukaryotes are among the important decomposers and thus play a major
role in the nutrient cycles of the living world.
E. Many microbial eukaryotes have highly differentiated bodies, even though they consist of only one cell.
6. Which of the following is not in the unikont clade?
A. animals B. fungi C. plasmodial slime molds D. amoebas E. diatoms
A. homologous; homoplastic
B. homologous; homologous
C. homoplastic; homologous
D. homoplastic; homoplastic
E. analogous; homologous
2. The sperm of one species of sea urchin is chemically incompatible with the eggs of a closely related species. This type of reproductive isolating barrier is called
A. postzygotic isolation.
B. gametic isolation.
C. low hybrid zygote viability.
D. temporal isolation.
E. Both a and c
3. Which of the following was an essential step in the evolution of eukaryotic cells?
A. The development of a flexible cell surface
B. The development of a cytoskeleton
C. The development of a nuclear envelope
D. The endosymbiotic acquisition of certain organelles
E. All of the above
4. The many organisms designated as “protists” or “microbial eukaryotes” are
A. closely related to the bacteria.
B. a paraphyletic group
C. part of a monophyletic clade.
D. all unicellular.
E. all microscopic.
5. Microbial eukaryotes are ecologically and evolutionarily important for many reasons. Which of the following is not true of this group?
A. Multicellular groups evolved from microbial eukaryotes.
B. Photosynthetic microbial eukaryotes play a major role in the energy balance of the living world.
C. None of the microbial eukaryotes are parasites.
D. Saprobic microbial eukaryotes are among the important decomposers and thus play a major
role in the nutrient cycles of the living world.
E. Many microbial eukaryotes have highly differentiated bodies, even though they consist of only one cell.
6. Which of the following is not in the unikont clade?
A. animals B. fungi C. plasmodial slime molds D. amoebas E. diatoms