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WorksheetsEcology Unit Review
Total questions: 20
Worksheet time: 10mins
Organisms that compete for food eat
each other.
some meat and some plants.
many of the same food sources.
completely different types of food.
The following is an example of organisms interacting with each other in an ecosystem:
a whale surfacing for air
a bird flying across the sky
fish swimming in a pond
a hawk catching a trout
The female Human Botfly deposits her mature eggs on the body of another insect, such as a mosquito or a fly. Then, when the mosquito or fly bites a person, the mature egg is injected into the person's skin where it lives and eats the human under the skin until it emerges as an adult fly. This type of relationship is BEST described as
predator-prey..
parasitic.
mutualistic.
commensalistic.
There is an association between acacia plants and the ants that live on them. The plants provide food and accommodation in the form of nectar as well as hollow thorns which can be used as nests. The ants return this favor by protecting the plants against herbivores. Which type of relationship does this represent?
mutualism
parasitism
commensalism
competition
This picture shows which example
mutualism
parasitism
neutralism
commensalism
If only 10% of the energy available at each level of an energy pyramid gets passed on, what does this mean for the consumers at the top of the pyramid?
Their population will be the largest.
They can be supported in having many offspring year round.
Their populaiton will be the most restricted.
There is plenty of producers for them to eat.
Which represents the flow of energy in this food chain?
producers- decomposers- consumers-
decomposesr- consumers- producers
consumers- producers- decomposers
producers- consumers- decomposers
Based on the information in the energy pyramid shown, which statement BEST describes the energy relationship found within any ecosystem.
Consumers generate more energy than producers in an ecosystem.
Plants produce the most energy for organisms in an ecosystem.
Hawks would consume the most energy availble in an ecosystem.
Primary consumers eat secondary consumers.
Which statement best describes the role of mice in this food web?
Mice are the only ominivores in this ecosystem.
Mice obtain most of their energy from snakes.
Mice are included in the energy flow to snakes.
Mice are the only herbivores in this ecosystem.
What will most likely happen if vines cover the other plants they grow on?
The other plants will increase because the vines are a food source.
The other plants will immediately grow thorns to defend against the vines.
The other plants will move to a new location.
The other plants will decrease due to lack of light needed for photosynthesis.
A certain type of green lizard like an annole, eats insects around the doors of Georgia homes. If another type of lizard like a gecko is introduced into the ecosystem that also eats the same insects, which of these will most likey increase?
competition
migration
mutualism
parasitism
In a prairie ecosystem, herbivores like prairie dogs make homes by digging burrows (holes) in the gound. In this same ecosystem, other organisms such as snakes and burrowing owls use abandoned burrows made by the prairie dogs. Human activities, such as farming, have caused the populaiton of prairie dogs and burrowing owls to go down. Based on this information, which statement summarizes the relationship between humans and the burrowing owls the best?
Human farming has increased the resources for the owls, so there are more owls.
Human farming does not have an effect on the ecosystem so the owls are unaffected.
Human farning has increased the paririe dog populations so they prey on the owls.
Human farming has decreased the resources needed for the owls, so there are less owls.
In an aquatic ecosystem this is a possible food chain:
phytoplankton- krill- sardines- grouper
If the phytoplankton are killed by water pollution, which short-term effect will this have on the other organisms in this food chain?
There will be more sardines for the grouper to eat.
Krill will obtain energy from the sardines.
There will be fewer krill for sardines to eat.
Most grouper will leave the area.
What is the main changing factor of an estuary that would affect the organisms living there?
salinity
precipitation
sunlight
wave action
What changing factor would most effect the organisms living in the intertidal zone?
Water temperature
Saliniity
The presence or absence of water
Water pH
What biome would most likely be found in the area colored light orange
tundra
grasslands
deserts
tropical rainforest
Which comparison of ecosystems is false?
Tundras are colder than Tiagas.
Rainforest have more plants than deserts.
Temperate Decidious Forest are evergreen.
Deserts can be hot or cold.
Which letter BEST idenifies the ocean zone that does not use the sun as a source of energy?
A
B
C
D
Which environment is BEST for an organism that hibernates during the coldest part of the winter?
Desert
Rainforest
Tiaga
Grassland
Marshes are very diverse ecosystems that can be very different between low and high tide. What type of organisms would you MOST likely expect to find in a marsh.
Tall trees with many vines and organisms that must always stay in water.
Plants with dense root systems and birds with long legs and long beaks.
Short plants with shallow root systems and animals that cannot swim well.
Plants and animals that cannot survive well in an enviroment sometimes covered by water and sometimes dry.
