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WorksheetsEcosystem and Community Dynamics Quiz
Total questions: 15
Worksheet time: 8mins
A symbiotic relationship where 2 or more organism benefit is called-
parasitism
commensalism
mutualism
symbiosis
Fungi is an example of a(n)-
scavenger
autotroph
heterotroph
decomposer
What type of succession occurs after a natural process such as fire or flood?
primary succession
secondary succession
old field succession
climax community
What is the primary energy source for all living things on the surface of Earth?
plants
water
the sun
heat from Earth's mantle
Energy pyramids are broader at the base and narrow at the apex, as energy-
decreases along the food chain
increases along the food chain
remains the same along the food chain
may increase or decrease
What type of vegetation would you expect to find on newly formed volcanic islands?
short grasses
shrubs
young trees
lichens
What are organisms that eat both plants and animals called?
herbivore
carnivore
autotroph
omnivore
When a top predator or primary produce is removed from an ecosystem, we can see changes throughout the ecosystem. This is called-
ecological problem effect
decreasing energy effect
ecological cascade effect
increasing energy effect
What do arrows on a food web represent?
which organisms are autotrophs
Which organisms eat each other
the flow of water through the food web
the flow of energy through the food web
Living or dead (once living ) organisms
abiotic factors
biotic factors
species
niche
The role an organism plays in an ecosystem
habitat
biotic factors
abotic factors
niche
All of the black widow spiders living in a certain area is called a(n)-
species
population
community
Air, water, rocks-
biotic factors
niche
species
abiotic factors
Of a leaf from a tree contains 30 calories of energy and the leaf is totally consumed by a grasshopper, which is then consumed by a songbird about how much energy from the leaf is available to the songbird?
300
30
3
.3
What can we call an organism that feeds on producers?
secondary consumer
autotrophs
carnivores
primary consumers
