Chapter 4 Online Study Guide
You have 1 attempt and 45 minutes to complete the study guide. Work by yourself! Do not solicit or offer answers to questions.
- 1.Which of the following were the first to invade land?
- A.
Amphibians
- B.
Insects
- C.
Birds
- D.
Reptiles
- E.
Mammals
- 2.On the basis of their cell structure, organisms can be classified as either eukaryotic or _____________________
- 3.A group of interacting individuals of the same species that occupy a specific area at the same time.
- A.
Community
- B.
Ecosystem
- C.
Population
- D.
Species
- 4.What is the most inner layer of the atmosphere?
- A.
Stratosphere
- B.
Mesosphere
- C.
Thermosphere
- D.
Troposphere
- 5.Which layer of the atmosphere contains the beneficial ozone layer that protects us from UV?
- A.
Stratosphere
- B.
Mesosphere
- C.
Thermosphere
- D.
Troposphere
- 6.The sun is 72% _______
- A.
Hydrogen
- B.
Helium
- C.
Oxygen
- D.
Nitrogen
- 7.Fission is the form of nuclear energy that we use in nuclear powerplants. The atoms are broken apart releasing energy. We have been striving to figure out FUSION, the subject of many movies. Fusion is the fusing of two atoms together. The sun is powered by fusion. The temperature and pressure in its inner core are so high that _____________ nuclei fuse to form _____________ nuclei.
- A.
Hydrogen, helium
- B.
Helium, hydrogen
- C.
Oxygen, nitrogen
- D.
Nitrogen, oxygen
- 8.Which of the following is not a greenhouse gas?
- A.
Water vapor
- B.
Carbon dioxide
- C.
Methane
- D.
Nitrous oxide
- E.
Ozone
- F.
All of the above are greenhouse gases
- 9.Instead, one ecosystem tends to merge with the next in a transitional zone called an ________, a region containing a mixture of species from adjacent ecosystems and often species not found in either of the bordering ecosystems.
- A.
Niche
- B.
Adaptive radiation
- C.
Ecotone
- D.
Biome
- E.
Abiotic
- 10.Which of the following processes takes Nitrogen out of the atmosphere (remember out atmosphere is 80% Nitrogen and the major reservoir of that element!)
- A.
Nitrogen Fixation
- B.
Nitrification
- C.
Denitrification
- D.
Ammonification
- 11.Which of the following is a highly poisonous gas with a rotten-egg smell? Hint: Sulfur Cycle
- A.
H2S
- B.
HS
- C.
H3S
- D.
H2S2
- 12.Which of the following is a gaseous cycle?
- A.
Phosphorus
- B.
Sulfur
- 13.Which of the following process puts nitrogen back into the atmosphere?
- A.
Nitrogen fixation
- B.
Nitrification
- C.
Ammonification
- D.
Denitrification
- 14.In the water cycle, which of the following process describes water moving downward through soil and permeable rock formations to grounwater storage areas called aquifers?
- A.
Infiltration
- B.
Percolation
- C.
Transpiration
- D.
Precipitation
- 15.Read the case study on page 95. The Hubbard Brook Experimental Forest in New Hampshire is incredibly famous and you will hear about this again in college. Answer the critical thinking question using at least 3 complete sentences.
Questions: 8 | Attempts: 1150 | Last updated: Jun 3, 2016
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