Bio112 Homework 3 Climate and Biomes
Global Air Circulation
Use the Figure above to answer the following questions.
1. Choose the letters that represents tropical deciduous forest and grasslands.
2. Choose the letter that represents moist air rising, cooling, and forming precipitation.
3. Choose the letter(s) that represent(s) temperate deciduous forest.
4. Choose the letter(s) that represent(s) cool, dry air falling.
Use the Figure above to answer the following question(s).
5. What does the dark line represent?
6. What does the gray coloration at the bottom represent?
7. Do any of the three deserts types receive a majority of their precipitation during the summer months (warmest
period)?
8. For the temperate desert, what is the approximate temperature when the biome receives the largest amount of
precipitation?
9. How much of the year is the cold desert below freezing?
Use the Figure above to answer the following question(s).
10. How much of the year is the tropical grassland below the freezing point?
11. How much of the year is the Arctic tundra below the freezing point?
12. What is the mean (average) monthly precipitation, in millimeters, of the tropical grassland in the month of
December?
Use the Figure above to answer the following question(s).
13. When is the rainy season in the tropical rain forest?
14. When is the dry season in the tropical rain forest?
15. What is the mean monthly temperature in the tropical rain forest?
Major Life Zones and Vertical Zones
Use the Figure above to answer the following questions by providing the letter that matches the following
oceanic zones.
16. In the Abyssal zone chemoautotrophic bacteria may form the base of food webs.
17. The Neritic zone occurs over the continental shelf and contains the majority of all marine species.
18. The Photic zone receives enough sunlight for photosynthesis.
19. The Aphotic zone is where light levels are attenuated and “marine snow” becomes the base of webs.
20. The Pelagic (Oceanic) zone extends beyond the continental shelf.
Matching
Answer the questions in reference to the biomes listed below.
a. tundra
b. grassland
c. desert
d. taiga (boreal forest)
e. savanna
____ 21. A plant community composed primarily of shrubby trees widely spaced and surrounded by grasses is this
biome.
____ 22. A community composed of lichens and short, shallow-rooted plants that form the base for food webs.
____ 23. This biome is characterized by extremes of temperatures and plants that are highly resistant to water loss.
____ 24. This biome has the richest soils.
____ 25. Conifers are most likely to be found in this biome.