Assignment
1) Looking at the scientific method, on what is science based?
2) What is the smallest unit of life that can be considered alive?
3) Where is the greatest concentration of nitrogen? Which organisms make it usable?
4) What three chemical elements are present in all living organisms? What is the additional chemical element in proteins?
5) How are carbohydrates classified? Give examples of each group.
6) What are the two major groups of cells? How do they differ?
7) What are organelles? Name one organelle that is found only in animal cells. Name two organelles that are found only in plant cells.
8) What is the commonest cause of pollution in streams, rivers, and oceans?
9) Where is the largest proportion of water on earth? Is it usable for drinking water?
10) What does "biodiversity" mean?
11) What forms of energy are used in plants? What form of energy is used in animals?
12) What energy process is used in plants? What energy process is used in animals?
13) What organelle houses chlorophyll for photosynthesis? What organelle is the "powerhouse" of the cell?
14) Name three fossil fuels. Are they renewable or non-renewable?
15) What fossil fuel is considered the cleanest? Name two alternative energy sources.
16) DNA has genetic information to build what organic molecules?
17) How does meiosis differ from mitosis? Give three stages where variation occurs in meiosis.
18) What is genetic engineering? In what two fields have there been the most contributions?
19) What is a fossil? How are they dated? How are they used as patterns of change?
20) Explain natural selection in terms of adaptation and "survival of the fittest". Who is given credit for the natural selection concept?
21) What is a species? How are species formed? How do they remain isolated?
22) What is the major benefit of wetlands?
23) List the major geologic time eras from oldest to youngest. When was the largest extinction of species? In what era were large reptiles dominant? Which era had most sea creatures? In what era were glaciers predominant in North America?
24) Give names of the three domains. How are two of those domains uniquely different from the third?
25) Name the four kingdoms and whether the organisms are autotrophs, heterotrophs, or both.
26) Where does most of the U.S. solid waste (trash) end up?
27) Why is a sanitary landfill considered better than an open dump? What are some legal alternatives to sending solid waste to the landfill?
28) What is bioremediation? Give an example of where it is used.
29) Give two reasons why species populations decline or become extinct. What is the primary reason.
30) What is the current population of people on Earth?
31) How are bacteria classified? How are protozoans classified? How are algae classified?
32) How does carbon dioxide cause global warming?
33) How do fungi differ from plants? How do fungi reproduce?
34) What is the carbohydrate in the cell walls of plants? What is the carbohydrate in the cell walls of fungi?
35) Humans belong to which Phylum?
36) List the animal group with the most numbers of species. What is the "simplest" animal group? What group is the "simplest" animal vertebrate?
37) List the two types of animal behavior discussed in class. Which one is genetic? Which one is gained by experience?
38) On a daily basis, which biological clock dictates your activity? What is S.A.D.?
39) Give the Kingdom for the following organisms: yeast, green algae, mushroom, flagellate, sponge, sporozoan, moss, frog, conifer, coral
40) Ozone is an atmospheric gas that protects the Earth's surface from what? What is the evidence that this gas is thinning?