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County Assessment Review

Total questions: 50

Worksheet time: 50mins

Name
Class
Date
1.

Is this factor ABIOTIC or BIOTIC

a)

abiotic

b)

biotic

2.

Is this factor ABIOTIC or BIOTIC

a)

abiotic

b)

biotic

3.

Is this factor ABIOTIC or BIOTIC

a)

abiotic

b)

biotic

4.

Is this factor ABIOTIC or BIOTIC

a)

abiotic

b)

biotic

5.

What are the ecological levels of organization from smallest to the largest?

a)

organism, population, community, ecosystem, biosphere

b)

organism, community, population, ecosystem, biosphere

c)

organism, population, community, ecosystem, ecosphere.

d)

organism, community, population, ecosystem, ecosphere

6.

What level of ecological organization do the animals represent?

a)

Species

b)

Population

c)

Community

d)

Ecosystem

7.

What level of ecological organization do the organisms represent?

a)

Species

b)

Population

c)

Community

d)

Ecosystem

8.

What level of ecological organization does this entire picture represent?

a)

Organism

b)

Population

c)

Community

d)

Ecosystem

9.

According to this diagram, plants use nitrogen to make _________________________

a)

bacteria

b)

animals

c)

proteins

d)

decomposers

10.

A correct path that nitrogen could take would be

a)

air -> animals -> plants -> bacteria

b)

animals -> air -> bacteria -> plants

c)

bacteria -> air -> plants -> animals

d)

air -> bacteria -> plants -> animals

11.
In an energy pyramid, how much energy gets passed from one level to the next?
a)
10%
b)
100%
c)
none
d)
nobody knows
12.
Which of the following take carbon dioxide out of the atmosphere?
a)

respiration

b)
volcanoes
c)

combustion

d)
photosynthesis
13.
What organism consumes both rabbits and birds?
a)
The Hawk
b)
The Wolf
c)
The Plant
d)
The Mushroom
14.
How many primary consumers are in this food web?  
a)
1
b)
2
c)
3
d)
4
15.
A secondary consumer will gain energy from what level consumer?  
a)
Producers
b)
Primary Consumers
c)
Tertiary Consumers
d)
Apex Predators
16.
A rabbit eats the grass, the snake eats the rabbit and the hawk eats the snake.  Who has the most energy in this food chain?  
a)
The rabbit
b)
The snake
c)
The hawk
d)
The grass
17.

Which of the following could NOT be an example of prey? 

a)
Trees
b)
Mice
c)
Rabbits
d)
Snakes
18.
A tree is a ....
a)
composer
b)
decomposer
c)
producer
19.
Humans are considered...
a)
consumers
b)
decomposers
c)
producers
20.

Where does all energy in food web originate from?

a)

Earth's Core

b)

Water

c)

Plants

d)

The Sun

21.
The arrows in a food chain or web represents what?
a)
They point to the organism that is being eaten.
b)
It shows how sunlight flows within an ecosystem.
c)
They show what direction the energy is flowing between organisms. 
d)
They represent how water is transferred within a habitat.
22.

If a frog is the prey, what would be its predator?

a)
Grass
b)
Insect
c)
Snake
d)
Snail
23.

A bacteria gains energy from breaking down dead/decaying organic matter. The bacteria is a __________.

a)

Decomposer

b)

Primary Consumer

c)

Secondary Consumer

d)

Tertiary Consumer

24.

In this food web, the bird would be a _________ and a _________.

a)

Producer

b)

Primary Consumer

c)

Secondary Consumer

d)

Tertiary Consumer

25.

Which of these is a possible Food Chain for this Ecosystem?

a)

grass → fly → frog

b)

frog → fly → grass

c)

grass ← fly ← frog

d)

fly → frog → snake

26.

A food pyramid represent the relative amount of energy in trophic levels. Which of the following correctly shows a food pyramid?

a)

A

b)

B

c)

C

d)

D

27.

What would happen to the blue whale population if the krill population went extinct?

a)

the blue whale population eats other things in the food web

b)

the blue whale population would increase

c)

The blue whale population would remain the same.

d)

the blue whale population would also decrease

28.
In this food chain, what will happen if the frogs become extinct?
a)
The snakes will increase.
b)
The grasshoppers will decrease.
c)
The eagles will remain the same.
d)
The grasshoppers will increase.
29.
a deer population has significantly increased, the best hypothesis is 
a)
the deer's main predator has been eliminated
b)
competition increased
c)
decreased water levels of local ponds
d)
organisms that rely on similar food sources migrated to the area
30.
Biodiversity is 
a)
the variety of species within an ecosystem
b)
a large number of the same species in an ecosystem
c)
an abundant amount of the same primary consumers 
d)
the ability to have an abundant source from the same species
31.
If there is more food than usual in an ecosystem, then the population will mostly likely...
a)
stay the same
b)
decrease
c)
increase
d)
reach carrying capacity
32.

Based on the simple food chain above, which of the following is most likely to happen if the number of hawks decreases?

a)

The snake population will decrease

b)

The mouse population will decrease

c)

The mouse population will increase

d)

The plant population will decrease

33.
In the aquatic food web below, which two organisms have a predator-prey relationship?
a)
Shad and sturgeons
b)
Sturgeons and blue crabs
c)
Blue crabs and rangia clams
d)
Phytoplankton and amphipods
34.

Which of the following is the best example of mutualism?

a)

a dog steals a bone from another dog

b)

a tiger hunts and eats a deer

c)

a bird eats ticks from a zebra's skin

d)

a bee stings a jogger

35.

Monkeys helping to clean bugs off of each other's back is a form of

a)

competition

b)

cooperation

c)

parasitism

d)

commensalism

36.
Hawks and owls eat the same thing. That relationship is called ___________.
a)
adaptation
b)
competition
c)
parasitism
d)
mutualism
37.

Cattle egrets feed in fields among cattle. The egret gets easy access to flying insects stirred up by the cattle, and the cattle don't care if they are there or not. This relationship is an example of

a)

mutualism

b)

commensalism

c)

competition

d)

parasitism

38.

The behaviors and physical characteristics of species that allow them to live successfully in their environment are called

a)

habitats

b)

limiting factors

c)

biotic factors

d)

adaptations

39.

When this isopod enters the fish through its gills, it consumes the fish's tongue replacing it. What is this an example of?

a)

commensalism

b)

mutualism

c)

parasitism

d)

predator-prey

40.

Which of the following is a way that competition can occur.

a)

Two male turkeys show off their enormous tail feathers to impress female turkeys.

b)

A mosquito bites a human and drinks their blood.

c)

Barnacles live on whales so that they can have access to food.

d)

A lion chases away a group of hyenas so that it can eat the gazelle they just killed.

41.

Which of the following describes an example of cooperation?

a)

A group of elephants works together to raise an baby elephant.

b)

Two male wolves fight each other for the right to lead the pack and mate with the females.

c)

A leopard hunts and kills a zebra.

d)

A bee drinks the nectar from a flower. At the same time, it carries the flower's pollen to other flowers.

42.

These are the forms of symbiosis.

a)

parasitism

b)

mutualism

c)

commensalism

d)

cooperation

43.
Arctic foxes are white in the winter to blend in with the snow. What adaptation is this?
a)
behavioral adaptation
b)
camouflage
c)
migration
d)
hibernation
44.

What is one of the main reasons a biome is different from another?

a)

Sunlight

b)

Altitude

c)

Biodiversity

d)

Precipitation

45.

Which biome has the most biodiversity(variety of life)?

a)

Desert

b)

Temperate Deciduous Forest

c)

Savanna

d)

Tropical Rainforest

46.
The earth's coldest biome is the....
a)

Desert

b)
Grasslands
c)
Tundra
d)

Taiga

47.

Biome with plants and grasses, but no trees. Grazing animals are found here.

a)

grassland

b)

desert

c)

taiga

d)

tundra

48.

Deciduous means

a)

"to fall off"

b)

"to add"

c)

"to stay attached"

d)

"to be active"

49.

What is permafrost?

a)

ground that remains frozen for at least two years in a row

b)

A type of soil found in cold climates

c)

a type of rock found in cold climates

d)

a permanent layer of frost covering plants in the arctic circle

50.

What is climate?

a)

the blanket of air that wraps around the planet

b)

water changing from a gas to a liquid

c)

the condition of the atmosphere at a particular time and place

d)

the pattern of weather conditions that occur over a long period

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