Download Unit 2 Study Guide: Ecology Which process in the carbon cycle

Unit 2 Study Guide: Ecology
1. Which process in the carbon cycle takes the longest to complete?
A. Emission of waste
B. Respiration in animals
C. Photosynthesis in plants
D. Formation of fossil fuels
2. What is the relationship between a community and a population?
A. A population is smaller than a community.
B. A population is larger than a community.
C. A population includes communities of organisms interacting.
D. A community includes populations of organisms interacting.
3. This food chain shows the interactions between organisms found in a pond ecosystem.
Algae → Water Boatman → Diving Beetle → Frog → Heron
Which organism would be affected first if algae were removed from the ecosystem?
A. Frog
B. Heron
C. Diving beetle
D. Water Boatman
4. If the environment in an area is destroyed, a new community of organisms sometimes takes the place of previous
communities. The introduction of a new community of organisms is known as
A. Evolution
B. Adaptation
C. Biological diversity
D. Ecological succession
5. When hunting by humans cause a species to become extinct, this may produce damaging effects throughout the
ecosystem of the extinct species. What is the cause of this damage?
A. alteration of a food web
B. degradation of a habitat
C. modification of a climate
D. reversal of a flow of energy
6. After a forest fire, which type of organisms will begin secondary succession?
A. small shrubs
B. mature oaks
C. evergreens
D. wildflowers
7. The Steller sea lion population has been decreasing in parts of Alaska. New evidence suggests that Steller sea lions
need herring as a part of their diet in order to survive. Pollack, another type of fish, also feed on herring. Which would
most likely help the Steller sea lion population to increase?
A. increasing the number of Pollack
B. changing the diet of the sea lions
C. improving the habitats of herring
D. changing the location of the sea lions
8. When is wood a nonrenewable resource?
A. When more trees are harvested than are replanted.
B. When trees are harvested and replanted at the same rate.
C. When trees are used as an energy resource.
D. When trees are used as a material resource.
9. Which statement about two offspring created as a result of sexual reproduction is true?
A. The offspring will be genetically identical to one of the parents
B. The offspring will be genetically similar to both parents
C. The offspring will have a different number of chromosomes than either of the parents
D. The offspring will be genetically identical to one another
10. An acquired trait to make an organism better suited for life is a (n) ______________.
A. Genetic Code
B. Molecule
C. Cell
D. Adaptation
11. Which of the following best describes the purpose of xylem?
A. It is a vascular tissue in plants that carries sugar from the roots to he leaves
B. It is a vascular tissue in plants that carries water from the roots to the leaves
C. It is a vascular tissue in plants that carries sugar from the leaves throughout the plant
D. It is a vascular tissue that carries water from the leaves throughout the plant
12. Pavlov's dog salivated at the sound of a bell even after the food stimulus was removed. What does this exemplify?
A. Classical Conditioning
B. Innate Behavior
C. Imprinting
D. Estivation
13. A crab carries a pair of sea anemones on its claws. The crab uses the sea anemone's stinging tentacles as protection
and the sea anemone obtains small food particles released by the crab as it feeds. Which type of symbiotic relationship
does this best illustrate?
A. Commensalism
B. Mutualism
C. Parasitism
D. Predation
14. Which is a correct statement about the flow of energy through an ecosystem?
A. Carnivores are present to feed on producers
B. Herbivores are autotrophic through photosynthesis
C. Producers convert radiant energy into chemical energy
D. Consumers convert radiant energy into chemical energy
15. Which of the following is an accurate statement about cells?
A. All living organisms are made of trillions of cells
B. Cells are not important for living organisms to carry out their tasks
C. Cells only compose nonliving things
D. Cells compose all living organisms
16. During strenuous exercise, body temperature increases. The body responds to the increase in temperature by
sweating, which helps to reduce the body temperature. Which is demonstrated in this situation?
A. Excretion
B. Metabolism
C. Homeostasis
D. Synthesis
17. What is the function of autotrophs in the carbon cycle?
A. To use oxygen to produce glucose
B. To take in excess water
C. To use carbon dioxide to produce glucose
D. To feed on herbivores
18. Two different populations of birds live in the same area and eat the types of food. Which most likely describes the
relationship between these two populations of birds?
A. Competition
B. Mutualism
C. Parasitism
D. Predator-prey
19. What will most likely happen if the human population continues to grow at current rates?
A. There will be fewer natural resources available for future generations.
B. There will be an increase in nitrogen levels in the atmosphere.
C. There will be a decrease in water pollution.
D. There will be an increase in the number of strong hurricanes.
20. A sea turtle has washed up on a remote section of the beach. This is known as “stranding.” Stranding occurs when a
dead, sick or injured sea turtle washes up on the shoreline. Which statement best explains why “stranding” should be
reported immediately to the local authorities?
A. The information can be very useful to biologists and managers who are trying to protect the species.
B. The information can be very useful; to protect sea turtles from predators.
C. The information can be very useful to local fishermen who try to catch fish that sea turtles eat.
D. The information can be very useful to tourists who may want to keep sea turtles as pets.
21. The males of a bird species do a “dance” and “sing a song” each spring. What is the main purpose of these behaviors?
A. To scare off young birds
B. To imprint young birds
C. To clean their feathers
D. To attract female birds
22. Which environmental concern is associated with the burning of fossil fuels?
A. Global climate change
B. Pollution of ocean waters
C. Ozone layer destruction
D. Decreased levels of atmospheric carbon dioxide