Community Ecology Quiz: How Much You Know?
(127).jpg "Community Ecology Quiz: How Much You Know?")
Community ecology quiz: how much you know? Living things depend on each other for survival. Do you know how organisms interact with each other and where they lie when it comes to the pyramid structure? In this quiz you will get to test out how well you understand ecosystems and different animal species. Do check it out and see how well you do. All the best as you tackle it!
- 1.Primary consumers are called herbivores.
- A.
True
- B.
False
- 2.All ecosystems use sunlight as their primary source of energy.
- A.
True
- B.
False
- 3.Despite the diversity of ecosystems in the world, all have similar trophic levels.
- A.
True
- B.
False
- 4.Occasional disturbances from natural forces such as fire are good for many ecosystems.
- A.
True
- B.
False
- 5.Omnivores consume producers and consumers.
- A.
True
- B.
False
- 6.Large organisms like eagles, lions, or salmon are primary consumers of energy while small organisms like mice, rabbits, and sparrows are secondary consumers.
- A.
True
- B.
False
- 7.Producers are always autotrophic.
- A.
True
- B.
False
- 8.Consumers are always heterotrophic.
- A.
True
- B.
False
- 9.Abandoned farmland usually reverts back to the forest. This process of forest regeneration is called:
- A.
Primary succession
- B.
Secondary succession
- C.
Climax community
- D.
Biorestoration
- E.
Bioeremediation
- 10.Which of the following represents a typical example of ecological succession in a temperate deciduous forest?
- A.
Bare soil, weeds, grasses, shrubs, conifers, deciduous trees
- B.
Shrubs, grasses, deciduous trees
- C.
Shrubs, grasses, conifers, deciduous trees
- D.
Grasses, conifers, shrubs, deciduous
- E.
Bare soil, weeds, conifers, shrubs, deciduous trees
- 11.A species that has an essential role in maintaining an ecosystem structure is called a :
- A.
Predator
- B.
Threatened species
- C.
Keystone species
- D.
Endangered species
- E.
Critical species
- 12.Approximately what percentage of energy will be passed on to the next trophic level in a typical food chain?
- A.
10%
- B.
100%
- C.
1%
- D.
50%
- E.
90%
- 13.In a food chain, the trophic level that has the greatest biomass is the:
- A.
Secondary consumer
- B.
Third order consumer
- C.
Primary consumer
- D.
Producer
- 14.The chemical process through which glucose and other organic molecules are broken down to release energy is known as
- A.
Chemosynthesis
- B.
Digestion
- C.
Cell metabolism
- D.
Cellular respiration
- E.
Photosynthesis
- 15.Through photosynthesis, carbon atoms from carbon dioxide molecules in the air will be:
- A.
Converted to oxygen
- B.
Destroyed
- C.
Broken down to release energy
- D.
Converted to water
- E.
Incorporated into glucose molecules
- 16.The process that bacteria hydrothermal wents perform that is not performed by other organisms is most ecosystems is:
- A.
Metabolism
- B.
Chemosythesis
- C.
Cellular respiration
- D.
Photosysthesis
- 17.Which of the following statements describes the movement of energy in food chains?
- A.
Energy is the same at each trophic level
- B.
Energy is recycled at each trophic level
- C.
Energy increases at higher trophic levels
- D.
Energy decreases at higher trophic levels
- E.
Energy is not transferred from one trophic level to another
- 18.The FIRST trophic level refers to
- A.
Sunlight
- B.
All herbivores
- C.
All producers
- D.
All consumers
- E.
All animals
- 19.Succession is made possible because
- A.
Of changes in the genetic material of species within a community
- B.
It is a rapid and chaotic process that is very different to control
- C.
Of evolutionary pressures that select certain species extinction
- D.
Immigrating species make the environment less suitable for species already there.
- 20.Where might an ecologist be able to study primary succession?
- A.
A new island formed by a volcanic eruption
- B.
A gravel-filled valley that had been covered by a glacier until recently
- C.
A huge boulder or rock layer on top of a mountain
- D.
All of the above
- 21.Different species can share the same habitat, but competition among them is reduced if they
- A.
REproduce at different times
- B.
Eat less
- C.
Have mutualistic relationships
- D.
Occupy different niches
- 22.The relationship between a flower and the insect that feeds on its nectar is an example of
- A.
Mutualism because the flower provides the insect with food, and the insect pollinates the flower.
- B.
Parasitism because the insect lives off the nectar from the flower
- C.
Commensalism because the insect doesn't harm the flower and the flower doesn't benefit from the relationship
- D.
Predation because the insect feeds on the flower
- 23.A species may become invasive if___________are absent from the environment.
- A.
Keystone species
- B.
Pioneers
- C.
Introduced Species
- D.
Limiting factors
- E.
Zebra mussels
- 24.Mutaulism
- A.
+ -
- B.
+ +
- C.
+ o
- D.
- -
- E.
+ -
- 25.Comensalism
- A.
+ +
- B.
- -
- C.
+ o
- D.
+ -
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