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Kelp Forest Assessment

Total questions: 55

Worksheet time: 2hrs 50mins

Name
Class
Date
1.

Which of the following factors do NOT limit the growth of kelp forests?

a)

Salinity

b)

Light

c)

Space

d)

Temperature

2.

How might Kelp counteract the activity of grazers like sea urchins?

a)

Float on the surface of the water with their holdfasts suspended in the water column

b)

Produce bad-tasting or toxic chemical to deter the sea urchin from eating it

c)

Produce blades that are several meters in length to maximize its photosynthetic capabilites

d)

Attach their holdfasts into sandy sediment to hide them from the grazers

3.

Sea otter fur is the densest fur of any animal

a)

True

b)

False

4.

When otters are removed from an ecosystem..

a)

The urchin population rises

b)

The kelp population drops

c)

The kelp gets eaten more quickly than it can regrow

d)

All of the answers occur

5.
All of the living and nonliving things in an area that interact with each other are called a/an ______.
a)
community
b)
habitat
c)
population
d)
ecosystem
6.

What are the two main parts of an ecosystem?

a)

Animals and plants

b)

Habitat and ecosystem

c)

Habitat and rocks

d)

Living and non living things

7.

What is a food chain?

a)

The flow of energy from one thing to another

b)

The way animals eat each other

c)

The way the sun makes everything

d)

How the plants grow

8.
What is a producer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
9.
What is a consumer? 
a)
Organism that creates their own food.
b)
Organism that eat other organisms for energy
c)
Organism that eat other dead organisms
10.

What is species diversity?

a)

the different animals in an area

b)

the different habitats in an area

c)

the different plants in an area

d)

the different living things (plants and animals) in an area

11.

What is a keystone species?

a)

A species that helps to hold an ecosystem together

b)

A species that lives in or around rocks

c)

Keys and stones have nothing to do with ecology

d)

A keystone isn't a living thing, it's just a stone

12.
What do you call ONE species all living in the same environment?
a)
Population
b)
Community
c)
Ecosystem
d)
Biome
13.
What do you call it when two or more species are competing for the same resources?
a)
Competition
b)
Predation
c)
Commensalism
d)
Mutualism
14.

Producers are important because they

a)

create shade for frogs

b)

smell nice

c)

use energy from the sun to make their own food and are the base of energy pyramids

d)

create homes for birds and squirrels

15.

Without this species, the ecosystem cannot be maintained, and may collapse entirely.

a)

Keystone species

b)

Purple Sea Urchin

c)

Class Mammalia

d)

Kelp Forest Community

16.
The direction of the flow of energy in a food web is represented by ___.
a)
Light bulbs
b)
Dotted Lines
c)
Arrows
d)
Bubbles
17.
Which of these is an example of an autotroph?
a)
Sunflower
b)
Krill
c)
Leopard
d)
Hummingbird
18.
What does every food chain start with?
a)
producers
b)
sun
c)
consumer
d)
decomposers
19.
Consumer that eats plants
a)
heterotroph
b)
herbivore
c)
producer
d)
community
20.
Energy increases as you move up the food pyramid (from bottom to top).
a)
True 
b)
False
21.
A connection of food chains with many food energy paths in an ecosystem is a ____________
a)
ecosystem
b)
food web
c)
environment
22.
Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?
a)
There would be a decrease in the small bird population.
b)
There would be a decrease in the grass/flowers population.
c)
There would be a decrease in the mice population.
d)
There would be an increase in the grass/flowers population.
23.
What does a Primary Consumer eat?
a)
Tertiary Consumers
b)
Secondary Consumers
c)
Producers
24.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a ecosystem.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms. 
d)
How carnivores get their food. 
25.
Which of the following is a herbivore?
a)
cricket
b)
frog
c)
hawk
d)
shrew
26.
Which organism receives the least amount of energy from the producer?
a)
Owl
b)
Grasshopper
c)
Lilypad
d)
Mouse
27.
A _______________ cannot make its own energy and eats only plants for their energy.
a)
producer
b)
Primary consumer
c)
Secondary Consumer
d)
Tertiary Consumer
28.
Which organisms from the Food Web is consuming the Insects?
a)
Lynx, Hare
b)
Shrew, Red fox
c)
Lynx, Red Fox
d)
Hawk, Shrew
29.
What might happen if you remove a primary consumer from the ecosystem?
a)
There would be more food for secondary consumers.
b)
The number of primary consumers would increase.
c)
The number of plants would increase.
d)
The number of secondary consumers would increase.
30.
What is the process in plants that produce food for the plants and oxygen.
a)
photosnthesis
b)
I don't know
c)
Photosynthesis
d)
growing
31.
When a population grows past the ecosystem's carrying capacity, what happens to the population?
a)
Continues to grow
b)
The population starts to die off to return to carrying capcity
c)
The population will go extinct due to lack of resources
d)
The population grows then finds a new carrying capacity
32.

All food webs and food chains begin with _________________.

a)

primary consumer

b)

producers

c)

secondary consumers

d)

tertiary consumers

33.
In this energy pyramid, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
34.
How many carnivores are shown in this food web?
a)
6
b)
4
c)
5
d)
3
35.
Energy increases as you move up the food pyramid (from bottom to top).
a)
True 
b)
False
36.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
37.
An organism that needs to eat other organisms to obtain energy is known as a:
a)
Autotroph
b)
Producer
c)
Consumer
d)
Mutualist
38.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms. 
d)
How carnivores get their food. 
39.
What is a trophic level?
a)
Each level represented within a food chain or web.
b)
Levels of ecosystems that the world is divided into.
c)
Different levels of nutrients present within an organism.
d)
The levels of sunlight an autotroph needs to survive. 
40.
Why might an organism have more than one arrow coming from them in a food web?
a)
More than one organism may eat them. 
b)
They may eat more than one other organism. 
c)
This organism gets its energy from multiple sources. 
d)
They have no resources available to them.
41.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
42.
The fox in this food web would be considered a:
a)
Tertiary Consumer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
43.
The mouse in this food web would be considered a:
a)
Primary Consumer
b)
Producer
c)
Tertiary Consumer
d)
Secondary Consumer
44.

Where in a plant cell does photosynthesis take place

a)

Palisade cells

b)

Chlorophyll

c)

Chloroplasts

d)

Vacuole

45.

What is the purpose of photosynthesis?

a)

To release energy

b)

To create glucose

c)

To grow

d)

To get oxygen for respiration

46.

Which of these is the correct equation for photosynthesis?

a)

6O2 + C6H12O6 --> 6CO2 + 6H2O

b)

6O2 + 6CO2 --> C6H12O6 + 6H2O

c)

6CO2 + 12H2O --> C6H12O6 + 6H2O + 6O2

d)

6CO2 + 6H2O --> O2 + C6H12O6

47.

What are the products of photosynthesis?

a)

Oxygen and Energy

b)

Carbon Dioxide and Glucose

c)

Glucose and Oxygen

d)

Oxygen and Water

48.
Most plants appear green because chlorophyll
a)
absorbs green light.
b)
absorbs violet light.
c)
reflects green light.
d)
does not absorb violet light.
49.
What molecule absorbs sunlight for photosynthesis?
a)
chloroplast
b)
thylakoid
c)
grana
d)
chlorophyll
50.
What are the products of photosynthesis?
a)
water and carbon dioxide
b)
oxygen and glucose
c)
oxygen and carbon dioxide
d)
oxygen and water
51.

What is one reactant that heterotrophs (like us humans) breathe out that plants use?

a)

a camera and tripod

b)

 CO2 CO_2\   carbon dioxide

c)

roots, flowers, and bees

d)

glucose C6H12O6C_6H_{12}O_{6_{ }}  

52.

Plants are __________, they make their own food.

a)

Heterotrophs

b)

Autotrophs

c)

Mitochondria

d)

A black hole into an intergalactic void

53.
What is the chemical formula for water?
a)
H2O
b)
HO2
c)
CHO2
d)
CO2H
54.
What is the chemical formula for glucose?
a)
C6H12O6
b)
C6H6O12
c)
C12H6O12
d)
C6O2H6
55.

If carbon dioxide is completely removed from a plant’s environment, what would you expect to happen to the plant’s production of Glucose?

a)

Glucose production will increase.

b)

Glucose will not be produced.

c)

The rate of glucose production will decrease .

d)

Fewer glucose will be produced at first, but then the plant will recover.

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