Unit 2 Test Environmental Science Spring
1.What is the correct hierarchy of taxonomic groups, from largest to smallest?
2.Tigers living in warm climates have thinner coats of fur than tigers living in cool climates. This is a result of
__________________________ diversity
3.What is the difference between
a. ecosystem diversityb. species diversityc. genetic diversityd. ecosystem health4.Which is the most direct way in which biodiversity can provide a source of income?
a. medicines
b. ecotourism
c. research
d. agriculture
5. If current trends continue, the modern geologic era, known as the Quaternary period, may see the _____mass
extinction
6. What is habitat fragmentation?
7.What are the goals of The Convention on International Trade in Endangered Species of Wild Fauna and Flora
(CITES) and the Convention on Biological Diversity?
8. What are the goals of The Endangered Species Act
9.Give an example of a method for managing whole ecosystems and habitats?
10.Relieving a nation from repaying some of the money it owes other nations in exchange for protecting its
biodiversity is called a_________________________________________________________.
11.Day-to-day conditions in Earth’s atmosphere, such as “sunny and humid,” describe the
_______________________________________.
12.Which biome would have the highest net primary production?
13.Net primary productivity is affected by which factors
14.In the graph, the solid line represents precipitation and the dashed line represents temperature. What type of
conditions are indicated by the areas of the graph labeled A?
15.What percentage of Earth’s surface is covered in water?
16.Describes the aphotic zone in an aquatic ecosystem?
17.Which zone of an aquatic ecosystem tends to have more life—both producers and consumers?
18.Name 3 ecosystems that are considered standing freshwater ecosystems?
19.What is a bog?
20.What ocean zone begins at the edge of the continental shelf and then extends outward into deeper water?
21. What is the difference between primary and secondary succession?
22.If these 3 things are present in a new environment, a species is unlikely to become invasive.
23.When energy is transferred between trophic levels, the amount of available energy is lost_____% How much
is gained in the next trophic level up______%
24.Humans are generally what types of consumers
25.Any being that uses the sun’s energy to create sugars is called a _________________________
Use the graph to answer the following questions.
What would most likely be the main cause for the initial increase in the zoo population?
What most likely caused the zoo population in the graph to stop increasing?
Predict what will happen to the zoo population, in the graph, in the next ten to twenty years.
In the diagram, how many levels of producer are there?
Which animals would you expect to have the lowest relative populations in this ecosystem?
31.In the diagram, how many levels of consumer are there?
32.T/F Species richness generally increases toward the poles. ____________________
33.Define the following terms from your notes
* primary succession-
* secondary succession-
* a climax community-
34.The ultimate source of energy in an ecosystem comes from __________________
35.In a food web that consists of grass, mice, deer, coyotes, and hawks, which species is likely to have the
greatest biomass?
36.The first level of all food pyramids consists of________________________
37.Define extrapirate