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ECology - Part 4
1
of
25
Q1. The following natural events will cause primary succession to occur:
A. floods and hurricanes
B. wildfires and controlled burns
C. tsunamis and tornadoes
D. glacier movement and volcanoes
Q2. Which of the following is a biotic factor?
×
A. wharle
B. water
C. rock
D. wind
Q3. Temperate grasslands are also known as
×
A. Savanna
B. Chaparral
C. Prairie
D. Taiga
Q4. What percent of Earth’s lands have humans developed and used for their on purposes?
A. 90%
B. 50%
C. 30%
D. 20%
Q5. Which of the following is a density independent factor?
A. competition for resources
B. predation
C. disease
D. natural disasters
Q6. These kind of observations are made using instruments such as rulers, balances and thermometers.
A. Qualitative
B. Quantitative
C. Scientific
Q7. A lion is not
A. prey
B. consumer
C. predator
D. carnivore
Q8. What is at the base of every food chain?
A. Producers
B. Primary Consumers
C. The Sun
D. Secondary Consumers
Q9. Burning firewood uses the process of
A. decomposition
B. respiration
C. photosynthesis
D. combustion
Q10. Some scientists think that global warming may be
A. a natural variation in climate.
B. a result of human activities.
C. melting the polar ice caps.
D. all of these
Q11. What does a Primary Consumer eat?
A. Tertiary Consumers
B. Secondary Consumers
C. Producers
D. Heterotrophs
Q12. Organisms that break down dead things for food are:
×
A. Scavengers
B. Decomposers
C. Posers
D. Parasites
Q13. Which is the correct order of the Earth’s Biosphere?
A. Biosphere, Community, Population, Ecosystem, Organism
B. Community, Population, Ecosystem, Organism, Biosphere
C. Organism, Population, Community, Ecosystem, Biosphere
D. Organism, Community, Ecosystem, Population, Biosphere
Q14. Only biotic factors.
A. population and ecosystem
B. community and biome
C. population and community
D. population and biome
Q15. What is the relationship between particle size and permeability?
×
A. As particle size increases, the permeability decreases.
B. As particle size increases, the permeability increases.
C. As permeability decreases, the particle size decreases.
D. As permeability increases, the particle size remains constant.
Q16. Which cycle would be affected to the greatest extent by the destruction of the Earth’s huge rain forests?
A. water cycle
B. carbon cycle
C. nitrogen cycle
D. None of these is greatly affected
Q17. Any living thing that gets the energy it needs by making its own food.
A. photosynthesis
B. cellular respiration
C. producer
D. consumer
Q18. ___ is the chemical process that plants use to change the sun’s energy into a food source (glucose).
A. cellular respiration
B. photogenesis
C. photosynthesis
D. photoreactor
Q19. What’s the food chain in order
A. producer,secondary,tertiary,primary
B. producer,primary,secondary,tertiary
C. ,primary,producer,secondary,tertiary
D. tertiary,primary,producer,secondary
Q20. A model used to show the transfer of matter and energy through an ecosystem is called a
A. Energy graph
B. Matter chart
C. Energy model
D. Food Chain
Q21. Exponential growth in a population slows down or stops as
A. resources become limited.
B. rate of immigration increases. .
C. rate of emigration decreases.
D. birth rate increases.
Q22. The place where an organism lives and that provides the things the organism needs is called its
×
A. niche
B. habitat
C. community
D. biome
Q23. symbiotic relationship in which one organisms benefits and the other organism is not affected
×
A. competition
B. mutualism
C. parasitism
D. commensalism
Q24. Wind causes several trees to fall in a forest ecosystem. This is an example of a/an
A. Abiotic factor
B. Biotic factor
Q25. Is this picture an example of a mutualistic symbiosis?
×
A. Yes
B. No
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