Chapter 23 (1-3) Study Guide
Name ___________________________________
1. Organisms that capture the sun’s energy to make food are called
_____________________.
2. Producers release _________________________ as a by-product of photosynthesis.
3. ___________________________ is always the first organism in a food chain.
4. ___________________ _________________________ may be either carnivores or
omnivores.
5. If a kestrel eats a mouse that eats grass, the kestrel is a __________________________
consumer.
6. Consumers that eat both plants and animals are called ________________________.
7. In the process of ____________________________, producers use carbon form carbondioxide to produce other carbon containing molecules.
8. Dandelions are a(n) _____________________ species because the colonists brought
them from Europe.
9. Give three examples of dispersal.
a. _____________________________________________________________
b. _____________________________________________________________
c. _____________________________________________________________
10. Continental drift is ______________________________________________________.
11. Define biogeography.____________________________________________________
______________________________________________________________________
12. ____________________________ is the process by which water vapor changes to a
liquid.
13. ______________________________ occurs when liquid water absorbs energy and
changes into a gas state.
14. The many over lapping food chains are called _____________________________.
15. List the four examples of precipipation.
a. ______________________________________
b. ______________________________________
c. ______________________________________
d. ______________________________________
16. A diagram that shows the amount of energy that moves from one feeding level to another
in a food web is called __________________________________. The most available
energy is found in the __________________________ level.
17. Define exotic species._____________________________________________________
_______________________________________________________________________
18. Give several examples of physical barriers to dispersal. __________________________
_______________________________________________________________________
19. _____________________ is the typical weather pattern in a specific area over a period of
time.
20. Some bacteria that fix nitrogen live in the bumps on the roots of certain plants. These
bumps are called ________________________.
21. Vultures that feed on the bodies of dead organisms are called _____________________.