NAME _________________________________________ Period ________
Chapter 3 – The Biosphere – WS #3.4
1. ecology _____________________________________________________________________________
2. biosphere ___________________________________________________________________________
3. species _____________________________________________________________________________
4. community ___________________________________________________________________________
5. biome ______________________________________________________________________________
6. autotroph ____________________________________________________________________________
7. What are the products of photosynthesis?
a. water and energy b. carbon dioxide and carbohydrates
c. water and sugars d. oxygen and carbohydrates
8. What process does the illustration below show?
a. photosynthesis b. evaporation
c. chemosynthesis d. transpiration
9. Which of the following types of organisms obtain energy by eating only plants?
a. producers b. herbivores
c. omnivores d. carnivores
10. Which of the following types of heterotrophs eat other animals?
a. omnivores and carnivores b. herbivores and omnivores
c. carnivores only d. carnivores and herbivores
11. What are organisms that feed on bits of plants and animal remains and other dead matter called?
The Term Paper on The Carnivore Project Fbi System Information
Nathan Moreau Ms. Tegen 20/11/01 The Carnivore Invasion " They that give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety.' -- Benjamin Franklin, 1759 The current use and regulations of the F. B. I. surveillance tool known as Carnivore need to be revised in such a way that it will no longer be able to copy the e-mails of unsuspecting Americans. Most ...
a. decomposers b. omnivores
c. detritivores d. herbivores
12. Which of the following types of heterotrophs would bacteria and fungi be classified as?
a. detritivores b. herbivores
c. carnivores d. decomposers
13. What is the one-way flow of energy in an ecosystem called?
a. a food chain b. an energy pyramid
c. a food web d. a biomass pyramid
14. What links all the food chains in an ecosystem together?
a. trophic levels b. an energy pyramid
c. a food web d. a biomass pyramid
15. What is each step in a food chain or food web called?
a. a trophic level b. a biomass
c. an ecological pyramid d. a limiting level
16. What pyramid represents the amount of energy that exists in each level of a food web?
a. a food pyramid b. an ecological pyramid
c. an ecosystem pyramid d. a food web pyramid
17. What is the total amount of living tissue within a given trophic level called?
a. biomass b. limiting nutrient
c. biome d. nutrient
On the lines provided, complete the following sentences.
18. Molecules are passed around again and again within the biosphere in _____________________cycles.
19. The process by which water changes from liquid form to an atmospheric gas is called ______________
.
20. During ______________________ , water enters the atmosphere by evaporating from the leaves of plants.
21. A chemical substance that an organism requires to live is called a(an) __________________________
The Term Paper on Trophic Level Species Energy Community
Factors of Community: 1. Interactions between the climate and topography a. "Rainfall, soil, temperature"2. The food and resources that grow 3. Other specific resources necessary for a species to survive and adapt to. (Ecological niche) 4. Species interaction 5. Physical disturbances, addition / removal of certain species-These factors determine population sizes of an ecosystem. -Conditions of ...
.
22. The conversion of atmospheric nitrogen into ammonia is a process called _______________________
.
23. The conversion of ammonia and other nitrogen-containing nutrients into nitrogen gas is called ________
24. The rate at which organic matter is created by producers or consumers is called __________________.
25. A nutrient that is scarce or cycles slowly through an ecosystem is called a(an) _____________________.