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ECology - Part 4
1
of
25
💡
Hints:
3
Q1. Any living thing that gets the energy it needs by making its own food.
A. photosynthesis
B. cellular respiration
C. producer
D. consumer
Q2. 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.
Q3. What percent of Earth’s lands have humans developed and used for their on purposes?
A. 90%
B. 50%
C. 30%
D. 20%
Q4. What is at the base of every food chain?
A. Producers
B. Primary Consumers
C. The Sun
D. Secondary Consumers
Q5. 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.
Q6. 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
Q7. Is this picture an example of a mutualistic symbiosis?
×
A. Yes
B. No
Q8. 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
Q9. 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
Q10. A lion is not
A. prey
B. consumer
C. predator
D. carnivore
Q11. 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
Q12. These kind of observations are made using instruments such as rulers, balances and thermometers.
A. Qualitative
B. Quantitative
C. Scientific
Q13. symbiotic relationship in which one organisms benefits and the other organism is not affected
×
A. competition
B. mutualism
C. parasitism
D. commensalism
Q14. Burning firewood uses the process of
A. decomposition
B. respiration
C. photosynthesis
D. combustion
Q15. Which of the following is a density independent factor?
A. competition for resources
B. predation
C. disease
D. natural disasters
Q16. 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
Q17. ___ 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
Q18. Only biotic factors.
A. population and ecosystem
B. community and biome
C. population and community
D. population and biome
Q19. Temperate grasslands are also known as
×
A. Savanna
B. Chaparral
C. Prairie
D. Taiga
Q20. 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
Q21. Which of the following is a biotic factor?
×
A. wharle
B. water
C. rock
D. wind
Q22. Organisms that break down dead things for food are:
×
A. Scavengers
B. Decomposers
C. Posers
D. Parasites
Q23. 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
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. What does a Primary Consumer eat?
A. Tertiary Consumers
B. Secondary Consumers
C. Producers
D. Heterotrophs
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