Comprehensive Biology Questions and Answers: Taxonomy, Evolution, and More

Biology Questions and Answers

Taxonomy and Evolution

1. Which of the following taxonomic categories contains all the others listed here? Class

2. Animals that possess homologous structures probably ___. evolved from the same ancestor

3. By definition, a clade is ___. monophyletic

Prokaryotes

4. What is the function of fimbriae? They are used to attach the cell to its substrate or to other prokaryotes.

5. Genes for the resistance of antibiotics are usually located _________. on plasmids

6. Which statement is true about obligate anaerobes? They are poisoned by O₂

7. The prokaryotic organisms most likely to be found living in salt ponds are the _____. halophiles

Ecology and Symbiosis

8. An ecological relationship between organisms of different species that are in direct contact can best be described as _. symbiotic

9. Bioremediation is _____. the use of organisms to remove pollutants from the environment

Eukaryotes and Protists

10. Which of the following domains consists of all the organisms whose cells have true nuclei? Eukarya

11. Archaeplastids, which include red and green algae and land plants, are thought to have descended from a heterotrophic protist that engulfed a(n) ____. cyanobacterium

12. A sign on the beach states, "Beach Closed. Red Tide." The organisms interfering with your use of this beach are probably ___. dinoflagellates

13. ___ are eukaryotic autotrophs that float near the surface of water and are the basis of the food chain. Phytoplankton

Plants

14. The closest algal relatives of land plants are ___. charophytes

15. When you look at a pine or maple tree, the plant you see is a _____. diploid sporophyte

16. Gymnosperms were most abundant during the _____. Mesozoic

17. Angiosperms are different from all other plants because only they have ___. flowers

Fungi

18. Fungi obtain nutrients through _____. absorption

19. The body of most fungi consists of threadlike _____, which form a network called a ___. hyphae ... mycelium

20. Almost all of the members of this phylum form arbuscular mycorrhizae in a mutualistic partnership with plants. Glomeromycota

21. What sexual processes in fungi generate genetic variation? karyogamy and meiosis

22. From the human perspective, which of the following kinds of fungi would be considered the least useful or beneficial?   rusts

23. Fungi of the phylum Ascomycota are recognized on the basis of their production of _____ during sexual reproduction  saclike structures