WorksheetsEcology
Total questions: 15
Worksheet time: 6mins
A bee receives nectar from a flower and carries the pollen to other flowers:
predation
parasitism
mutualism
commensalism
Mistletoe grows and spreads on trees, taking their nutrients:
predation
parasitism
mutualism
commensalism
What would happen within a few months after the formation of a volcanic island?
pioneer species would grow
no pioneer species would grow
trees and large plants would grow
rich, organic soil would be present
What would be a good example of a primary consumer?
carnivore
detrivore
decomposer
herbivore
Which organisms would be at the top or last trophic level?
plant
herbivore
omnivore
carnivore
The monkey would be a
decomposer
producer
primary consumer
secondary consumer
Introduced species disrupt ecosystems because they are a/an
Keystone Species
Endemic Species
Invasive Species
Native Species
Which is an example of where primary succession could occur?
a glacier melts and exposes new rocks
natural fire burns a prairie
a corn field is abandoned and left to overgrow
flood covers a piece of land
Barnacles do not affect whales as they grow, but receive the benefit of a food source. This is
parasitism
mutualism
commensalism
neutralism
Mice might grow in population and destroy the community by eating all of the berry bushes if
wolves and snakes were removed from the food web
another predator migrated in to the community
the snake population grew
none of these
These organisms are often not shown in a food chain, but are important for recycling nutrients
producers
decomposers
primary consumers
carnivores
Which event would not cause secondary succession?
forest fire
flooding of a valley
volcanic lava flow
tornado
A lion that eats a zebra that eats grass is a
primary consumer
secondary consumer
tertiary consumer
quaternary consumer
90% of the energy that gets lost as you move up a food pyramid or chain gets lost as
pollution to the environment
heat to the environment
energy for decomposers
gets recycled
What percentage of energy is passed on to the next trophic level?
5%
10%
50%
90%
