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WorksheetsEcology-Set 3
Total questions: 11
Worksheet time: 6mins
An ecological succession that begins in an area where no biotic community previously existed is called _________.
primary succession
secondary succession
tertiary succession
climax community
Succession following a disturbance that destroys a community without destroying the soil is known as _________
secondary succession
primary succession
tertiary succession
climax succession
Fill in the blank: One of any living organism is referred to as an _________
organism
animal
plant
cell
Place where an organism lives and that provides the type of food, shelter, moisture and temperature needed to survive is called a _________.
habitat
ecosystem
niche
biome
A chain showing how energy passes from one organism to the next is known as a _________
food chain
energy cycle
nutrient path
life web
Fill in the blank: The largest number of individuals of a particular species that an ecosystem can support over time is called _________.
carrying capacity
population limit
environmental threshold
species maximum
Large geographic areas with similar climates and ecosystems, such as tundra, desert, tropical rainforest, temperate rainforest, grassland, arctic tundra, temperate deciduous forest, are known as _________.
biomes
continents
countries
regions
Anything that can limit the size of a population, including living and nonliving features of an ecosystem, such as predators or drought, is called a _________.
limiting factor
ecosystem
habitat
population
Shows the direction in which energy flows. As the amount of available energy decreases, the pyramid gets smaller. Each layer on a pyramid is called a trophic level. This is known as an _________
energy pyramid
food chain
biomass pyramid
ecological succession
The transfer of energy from one organism to another through food webs is called _________.
energy flow
photosynthesis
respiration
decomposition
A complex network of many interconnected food chains and feeding relationships is known as a _________
food web
ecosystem
biome
habitat
