Download Environmental Science A Test 1

Environmental Science A Test 1
Multiple Choice
Identify the choice that best completes the statement or answers the question.
1. What is an omnivore?
2. What is mutualism?
3. Give an example of a decomposers.
4. Where do producers get the nutrients they need?
5.The belief that humans are separate from the natural word is a(n) ___ view
6.List some abiotic components of an ecosystem?
7.What is a positively charged particles in an atom?
8.Which type of bond shares electrons?
9. Methane Gas formulas is…
10.A solution with this pH would be considered acidic?
11.What is the formula for photosynthesis?
12.Carbon has an atomic number of 6. How many electrons are in its outer orbital?
13. What is the definition for Environmental science?
14.The reaction in ecosystems in which nitrogen gas is converted to ammonia and nitrate is called…
15.Name some producers.
16.Cattle egrets walk behind cows and eat insects stirred up from the grass. What type of relationship is this
where one is helped and one is neither hurt nor harmed?
17. Chief Seattle had this type of worldview point about nature.
18. The only subatomic particle that does not carry an electric charge is the _____.
19. The atomic number of an element whose atoms have 9 protons and 10 neutrons is _____.
20. The mass number of an element whose atoms have 12 protons and 13 neutrons is _____.
21. The atomic number of chlorine is 17. How many valence electrons does an atom of chlorine have?
22. The branch of biology dealing with interactions among organisms and between organisms and their environment is
called…
23. How do most primary producers make their own food?
24. Name an organisms that does NOT require sunlight to live?
25. All the interconnected feeding relationships in an ecosystem make up a food_____________________
26. What animals eat both producers and consumers?
27.) .What is the term for each step in the transfer of energy and matter within a food web?
28.) A bird stalks, kills, and then eats an insect. Based on its behavior, which pair of ecological terms describes the bird?
Figure 3–2
29.)
What goes in Box 5 of the food web in Figure 3–2?
30.) The repeated movement of water between Earth’s surface and the atmosphere is called
31.) Nitrogen fixation is carried out primarily by what types of organisms?
32.) What can happen after a lake receives a large input of a limiting nutrient (such as pig fecal matter from hog
factories?)
33.) Animals that get energy by eating the carcasses of other animals that have been killed by predators or have died of
natural causes are called___________________________________________
____________________________________________________
Figure 3–4
34.) Which of the following is a food chain in the food web shown in Figure 3–4?
35.) An interaction in which an animal feeds on plants is called______________________________________________
36.) A wolf pack hunts, kills, and feeds on a moose. In this interaction, the wolves are____________________________
37.) What is a predator?
38.) A symbiotic relationship in which both species benefit is______________________________________
39.) A symbiotic relationship in which one organism is harmed and the other benefits is___________________________
40.) How is parasitism different from commensalism?
Essay
46. How do carnivores, herbivores, omnivores, and scavengers differ in the way they obtain food? Give two
examples of each type of consumer.