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Organisms in Ecosystems Review

Total questions: 55

Worksheet time: 55mins

Name
Class
Date
1.
What is the difference between biotic and abiotic?
a)
Biotic are non-living things
b)
Abiotic are living organisms
c)
Biotic is life,
Abiotic is non-living
d)
Biotic is non-living, Abiotic is living
2.
Which biome is more biodiverse?
a)
Desert
b)
Sand
c)
Tundra
d)
Rainforest
3.
 Which biome is more likely to survive a change in the environment?
a)
High (rich) biodiversity
b)
Low (poor) biodiversity
4.
What does biodiversity mean?
a)
Only one species in an area.
b)
The different amount of species in an area
c)
All abiotic life
d)
Nitrogen fixation
5.

Image "B" shows more biodiversity than image "A". Why?

a)

Because "B" shows more different species than image "A"

b)

Because image "B" has less different species than "A"

c)

"A" has a greater number of same species plants so this statement is wrong.

d)

Both images show the same biodiversity

6.

Biodiversity is important to keep an area (biome) healthy. In this example "Food Web A" is sustainable. Why is sustainability important for an ecosystem in "Food Web A".

a)

If one organism is removed the food web can still operate (work) with little or no negative effect.

b)

If an organism is removed the food web will collapse and will affect the environment.

7.

Food Web B is an example of...

a)

Low biodiversity and low sustainability. If the producer dies then all the food web will suffer.

b)

High biodiversity and high sustainability. If an organism is removed the food web will continue with no effect.

8.
What is the purpose of a dichotomous key?
a)
to find a common ancestor
b)
to show the evolution of organisms
c)
to show relationships between organisms
d)
to identify organisms
9.
A dichotomous key for trees is provided. Hikers found a tree that has large brown cones and single sharp needles. What species of tree have the hikers found?
a)
Juniper
b)
Pine
c)
Spruce
d)
Fir
10.
A dichotomous key for insects is given. To what order does an insect with two pairs of scaly wings belong?
a)
Coleoptera
b)
Heteroptera
c)
Diptera
d)
Lepidoptera
11.
The 8 levels of classification, most broad to most specific.
a)
Domain, Genus, Family, Order, Class, Phylum, Kingdom, Species
b)
Domain, Species, Kingdom, Genus, Phylum, Family, Class, Order
c)
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
d)
Order, Kingdom, Species, Domain, Phylum, Family, Class, Genus
12.
Term given to describe the 2 name naming system is:
a)
dichotmous key
b)
binomial nomenclature
c)
2 scientific names
d)
binomial key
13.
The first part of a scientific name is an organism's _______________ and the second part is its ________________.
a)
species, genus
b)
phylum, order
c)
class, spices
d)
genus, species
14.
Which one of these isn't one of the 5 kingdom names?
a)
Animalia
b)
Protista
c)
FUngi
d)
Virusia
15.
Dandelion, What kingdom does it belongs to?
a)
Plant Kingdom
b)
Animal Kingdom
c)
Fungi Kingdom
d)
Protista Kingdom
16.
Mosquito  belongs to what kingdom?
a)
Animal Kingdom
b)
Plant Kingdom
c)
Fungi Kingdom
d)
Protista Kingdom
17.
Autotrophs- make their own  food.
Heterotrophs- obtain food from other animals.
Observing the table above, Fungi and Animals are________?
a)
Autotrophs
b)
Heterotrophs
18.
Which of the following is a physical adaptation for the underlined animal?
a)
A snake unhinges its jaw to eat a rabbit it just caught.
b)
A hognose snake rolls over, slows its breathing, and hangs its tongue out to pretend to be dead.
c)
A herd of buffalo encircle their young to protect them from a pack of wolves.
d)
A dung beetle rolls a piece of dung across the desert.
19.
How do adaptations help animals?
a)
to hide from predators
b)
to hunt for food
c)
to survive in their habitats
d)
All of these are correct
20.
An animal's color or pattern that helps it blend into its surroundings
a)
Environment 
b)
Mimicry
c)
Camouflage
d)
Habitat
21.
A scientist puts 100 houseflies in a sealed container; then sprays an insecticide into the container.  Ninety-six of the flies die.  Four survive.  The scientist lets the survivors mate and produce offspring, then repeats the experiment with 100 offspring.  Fifty-six of them survive the spray.  This experimental result is evidence of – 
a)
adaptive radiation 
b)
speciation
c)
natural selection
d)
extinction
22.
Survival of the Fittest and Evolution were proposed by what scientist?
a)
Steven Hawking
b)
Albert Einstein
c)
Charles Darwin
d)
Isaac Newton
23.
Predict which moth would increase in population
a)
light 
b)
dark
24.
Natural selection results in change over time by acting on traits that are
a)
heritable
b)
new
c)
mutated 
d)
better than the best
25.

What is the advantage of having different shaped beaks?

a)

To look different from other species.

b)

To be able to eat the food readily available in the environment.

c)

To protect itself against predators.

d)

To protect itself against prey.

26.

A group of organisms that share similar characteristics and can reproduce among themselves to produce fertile offspring.

a)

Mutation

b)

Species

c)

Adaptation

d)

Variation

27.

This is the organisms with traits best suited to their environment are more likely to survive and reproduce.

a)

Variation

b)

Mutation

c)

Natural Selection

d)

Gradualism

28.

This is an inherited trait that makes an individual different from other members of its species.

a)

Variation

b)

Mutation

c)

Punctuated Equilibrium

d)

Embryology

29.

An organism that hunts and feeds on another organism is a ______________________.

a)

prey

b)

producer

c)

predator

d)

decomposer

30.

An animal that is hunted as food

a)

prey

b)

predator

c)

decomposer

d)

producer

31.
The seasonal movement of an organism from one place to another
a)
camouflage
b)
migration
c)
hibernation
d)
function
32.
Energy transformations occur when...
a)
energy is created through conduction
b)
energy changes from one form to another
c)
two forces slide together that are touching
d)
a chemical reaction takes place
33.

What type of energy transformation occurs, when a hawk eats a mouse and then uses the energy from the mouse to fly?

a)

mechanical energy to chemical energy

b)

thermal energy to mechanical energy

c)

chemical energy to mechanical energy

d)

mechanical energy to thermal energy

34.

What kind of energy is represented in the picture?

a)

Thermal

b)

Chemical

c)

Sound

d)

Kinetic

35.
Which items would have this energy transformation: light energy -> chemical energy?
a)
tree growing fruit
b)
person running
c)
solar calculator
d)
windmill turning
36.
What is a producer?
a)
Organism that makes its own energy
b)
Organism that breaks down dead organisms
c)
Organism that eats other organisms for food & energy
37.
What is a decomposer?
a)
Organism that makes its own energy
b)
Organism that breaks down dead organisms
c)
Organism that eats other organisms for food & energy
38.
What is a consumer?
a)
Organism that makes its own energy
b)
Organism that breaks down dead organisms
c)
Organism that eats other organisms for food & energy
39.
What is an herbivore?
a)
An organism that only eats plants for energy
b)
An organism that eats animals for energy
c)
An organism that eats both plants and animals for energy.
40.
What is a carnivore?
a)
An organism that only eats plants for energy
b)
An organism that eats animals for energy
c)
An organism that eats both plants and animals for energy.
41.
What is an omnivore?
a)
An organism that only eats plants for energy
b)
An organism that eats animals for energy
c)
An organism that eats both plants and animals for energy.
42.
The ___% rule states that only ____% of energy is transferred to the next trophic level.
a)
10%
b)
25%
c)
50%
d)
100%
43.
What are "trophic levels"?
a)
Levels in a food web/food chain
b)
Levels of land in a mountain
c)
Animal diets
44.

Which of the following organisms is a producer?

a)

grass

b)

rabbit

c)

fox

d)

snake

45.

Which of the following organisms is a primary consumer?

a)

grass

b)

rabbit

c)

fox

d)

snake

46.

Which of the following organisms in competition with the weasel for their food source?

a)

grass

b)

rabbit

c)

fox

d)

snake

47.

What would happen to the rabbit population if the fox population moved out of the area represented by the food web?

a)

The rabbit population would increase

b)

The rabbit population would decrease

c)

The rabbit population would neither increase nor decrease

48.
All food webs and food chains begin with _________________.
a)
primary consumer
b)
producers
c)
secondary consumers
d)
predators
49.
In this energy pyramid, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
50.
In an ecological pyramid, which type of organism always has the least amount of energy available?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Top Predator
51.
In this ecological pyramid which type of consumer gets only 10% of the energy stored in plants?
a)
Herbivore
b)
Carnivore
c)
Omnivore
d)
Secondary Consumer
52.
For a pyramid of numbers, the width of the bar shows the__________ of organisms present in each trophic level at a particular time. 
a)
number
b)
biomass
c)
energy
d)
volume
53.
The number of organisms _________ with each successive (higher) trophic level. 
a)
increases
b)
decreases
54.
If there are 100 Kcal of energy available in the producers, how much energy would be available in the herbivores?
a)
10 Kcal
b)
1 Kcal
c)
100 Kcal
d)
1000 Kcal
55.
Biomass refers to
a)
Chemical Energy
b)
Light Energy
c)
Rank in the feeding heirarchy
d)
Amount of living tissue at the tropic level

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