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Ecology
Ecology
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Practice quiz
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Questions
25
Answers
1
List the three types of pyramids
Population, individual, and community
Ecology, biology, and geology
Biomass, numbers, and energy
Energetics, math, and biology
2
What is a carnivore?
An organism that obtains energy by eating animals
An organism that obtains energy by eating plants
An organism that obtains energy by eating dead plants and animals
An organism that obtains energy by eating plants and animals
3
Definition of chemosynthetic
The use of carbohydrates to give organisms energy
The use of solar energy to turn carbon dioxide and water into sugar and O
The use of photosynthesis by plants
The use of energy released by inorganic chemical reactions to make food
4
How much energy is available as organisms move from one trophic level to the next?
10%
20%
90%
50%
5
What is symbiosis?
A relationship in which two species live close together
A relationship in which both species benefit
A relationship in which one organism benefits and the other is harmed
A relationship in which neither animal is helped nor harmed
6
An organism that feeds on dead plant and animal matter is called a
Fungi
Omnivore
Detrivore
Carnivore
7
What can neither be created nor destroyed?
Matter
Water
Pizza
Energy
8
Parasitism is a relationship in which one organism benefits and the other is harmed.
True
False
9
What is nutrient availability?
The food in an area
Development of plant and animal life
Amount of nutrients taken and used by organisms
Amount of organisms in a community
10
List the levels of organization (least to greatest)
Individual, population, community, ecosystem, biome, biosphere
Individual, biosphere, biome, population, community, ecosystem
Individual, community, biome, population, ecosystem, biosphere
Biosphere, biome, ecosystem, community, population, individual
11
An example of a detrivore is a ...
Giraffe
Tree
Vulture
Rabbit
12
______ only flows in one direction
Energy
Light
Matter
Food
13
What four ways can water travel in the water cycle?
Evaporation, precipitation, condensation, groundwater
Condensation, decondensation, sanitation, rain
Precipitation, saltwater, sediment, condensation
Rain, snow, sunlight, air
14
Climate means the average condition of temperature and precipitaion in a region over long periods of time.
False
True
15
Most primary producers make their food through...
Respiration
Chemosynthesis
Decomposition
Photosynthesis
16
What is a climax community?
Final change of succession, remaining relatively unchanged until destroyed
When a population is at its peak
The biggest predators
A mountainous habitat
17
Abiotic factors are living
True
False
18
What is secondary succession?
The second trophic level
The first form of life on earth
A series of changes on an already colonized but disturbed area
More-or-less predictable changes that occur in a community over time
19
What is a full range of physical and biological conditions in which an organism lives and the way it uses them?
Biotic factor
Niche
Mutualism
Biomass
20
What is the scientific study of interactions among organisms and between organisms and their environment?
Biogeography
Energetics
Ecology
Biology
21
What are the three ways that carbon cycles through the biosphere?
Greenhouse effect, condensation, and precipitation
Individual, population, community
Energy, Numbers, Biomass
Decomposition, the burning of fossil fuels, and respiration
22
A trophic level is a step in the food chain or food web
True
False
23
What is the greenhouse effect?
Plants being decomposed
Growing plants
Trapping of heat by gases in the atmosphere
The air turning green
24
What carries out the process of nitrogen fixation?
Mammals
Aquatic organisms
Bacteria
Eukaryotes
25
What is a series of steps in an ecosystem in which organisms transfer energy by eating and being eaten?
Food chain
Food map
Food list
Food web
