Unit B — Diversity and Classification

1. Linnaeus based his classification of plants on

A. usefulness to man.
B. evolutionary changes.
C. environmental factors.
D. structural characteristics.

The next five questions refer to the following name for a vine maple tree: Acer circinatum

2. The name as it is written is

A. correct.
B. incorrect because it should be underlined.
C. incorrect because both words should be capitalized.
D. incorrect because neither word should be capitalized.

3. The biological name for a vine maple tree is

A. Acer.
B. circinatum.
C. Acer circinatum.
D. none of the above.

4. The genus name for a vine maple tree is

A. Acer.
B. circinatum.
C. Acer circinatum.
D. none of the above.

5. The species name for a vine maple tree is

A. Acer.
B. circinatum.
C. Acer circinatum.
D. none of the above.

6. The use of two-word names like this is called
A. taxonomy.
B. dichotomy.
C. dinomial taxomony.
D. binomial nomenclature.

7. Biologists who classify organisms are called

A. organists.
B. taxonomists.
C. taxidermists.
D. taxorganists.

8. All taxa larger than "species" are

A. arbitrary.
B. written in italics.
C. biologically useless.
D. artificial, defined by man.

9. Horses and zebras are not considered to be members of the same species because they

A. do not interbreed.
B. eat different foods.
C. are of different sizes.
D. have different markings.

10. Members of the same species

A. are in the same genus.
B. live in the same location.
C. interact sexually with each other.
D. are all the same color and shape.


11. The most important factor in deciding whether or not two populations of birds living on two different islands belong to the same species is their

A. physical similarity.
B. embryological similarity.
C. environmental requirement.
D. mutual reproductive capability.

12. The taxon most clearly defined by natural biological barriers is the

A. class.
B. genus.
C. phylum.
D. species.

13. Which kingdom includes bacteria?

A. Fungi.
B. Monera.
C. Plantae.
D. Protista.

14. The third smallest taxon is the

A. order.
B. class.
C. family.
D. phylum.

15. The taxon that includes the others listed is the

A. class.
B. order.
C. genus.
D. phylum.

16. Which sequence of taxa is in proper order?

A. Species, genus, family, class, order, phylum, kingdom.
B. Genus, class, order, kingdom, phylum, species, family.
C. Class, genus, family, species, order, phylum, kingdom.
D. Species, genus, family, order, class, phylum, kingdom.

17. Unlike a plant, a plant-like protist

A. is unicellular.
B. has a nucleus.
C. uses mitochondria.
D. contains chloroplasts.

18. A unicellular organism with membrane-bound organelles is generally considered to be a

A. plant-like protist.
B. animal-like protist.
C. fungus-like protist.
D. protist of some kind.

19. How many kingdoms of organisms will be studied in Biology 11?
A. Three.
B. Four.
C. Five.
D. Six.

20. Organisms are classified into kingdoms primarily by their

A. habitat.
B. structures.
C. size and coloration.
D. reproductive behavior.