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Biology Chapter 3 and 4 Ecology

Total questions: 51

Worksheet time: 1hrs 7mins

Name
Class
Date
1.
Which one is NOT an example of a decomposer?
a)
mushroom
b)
leaves
c)
mold
d)
worm
2.
Examples of a producer
a)
frog
b)
algae
c)
worm
d)
mouse
3.
Example of a decomposer
a)
fungus
b)
mouse
c)
plants
d)
frogs
4.
A tree is a ....
a)
composer
b)
decomposer
c)
producer
5.
What is a herbivore?
a)
an animal that gets energy from eating other animals
b)
an organism that gets energy from eating only plants
c)
an animal that gets energy by eating both plants and other animals
d)
an animal that eats only herbs
6.
An animal that gets energy from eating both plants and animals is a 
a)
herbivore
b)
carnivore
c)
omnivore
d)
autotroph
7.
The shrew provides energy for the _______?
a)
cricket
b)
grasshopper
c)
frog
d)
snake
8.
Which of the following is a herbivore?
a)
cricket
b)
frog
c)
hawk
d)
shrew
9.
A producer is a (n) ______________.
a)
heterotroph
b)
omnitroph
c)
autotroph
d)
oscartroph
10.
All food chains begin with a ____________.
a)
primary consumer
b)
secondary consumer
c)
producers
d)
scavengers
11.
An animal that eats other animals is a....
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
12.
Which best describes what a food chain shows you?
a)
Energy flow through an ecosystem
b)
Food flowing through an ecosystem
c)
Consumers going into other consumers
d)
Who eats who
13.
Another name for a consumer is a
a)
heterotroph
b)
autotroph
c)
producer
d)
plant
14.
What is the main factor that separates the biomes?
a)
Land
b)
Water
c)
Climate
d)
Longitude
15.
A large ecosystem is called a ______
a)
Ecosystem
b)
Habitat
c)
Biome
d)
Niche
16.
Which biome has deciduous trees (which lose their leaves)?
a)
Temperate Forest
b)
Rainforest
c)
Grasslands
d)
Taiga
17.
Which biome has the most variety of plants and animals?
a)
Temperate Forest
b)
Rainforest
c)
Tundra
d)
Grasslands
18.

Which biome gets the most amount of rain every year?

a)

decidious forest

b)

tropical rain forest

c)

desert

d)

tundra

19.

Which biome is the coldest?

a)

tundra

b)

desert

c)

grassland

d)

savanna

20.

The sun's rays are least direct near the equator.

a)

True

b)

False - near the poles

c)

False - at high altitudes

d)

False - far from the ocean

21.

Climates are classified according to two major factors:

a)

elevation and precipitation

b)

latitude and temperature

c)

elevation and latitude

d)

precipitation and temperature

22.

The most abundant greenhouse gas in the atmosphere is ___________________.

a)

oxygen

b)

nitrogen

c)

carbon dioxide

d)

argon

23.
Which of the following is the best conclusion that can be made from this graph?
a)
atmospheric carbon dioxide levels have been decreasing since 1960
b)
Hawaii has a lot of carbon dioxide
c)
humans have been working hard to decrease carbon dioxide levels
d)
atmospheric carbon dioxide levels have increased steadily since 1960
24.

Which of the following have been changed or altered due to climate change ?

a)

droughts

b)

flooding

c)

melting of polar ice caps

d)

all of the above

25.
 What is the greenhouse effect?
a)
The warming of a planet due to trapped radiation.
b)
The cooling of Earth due to air pollution.
c)
The heating of a solid, such as a rock.
26.

The biotic factor and abiotic factor of a pond system is ___________ and ____________ respectively.

a)

hydrilla; fish

b)

temperature; pH

c)

pH; hydrilla

d)

fish; temperature

27.

Which of following pairs is an example of commensalism relationship?

a)

Lice and dog

b)

Remora and shark

c)

Lichens (algae and fungus)

d)

Protozoa and termites

28.

____________ consists of living and non-living things interact with each other.

a)

Ecosystem

b)

Community

c)

Population

d)

Niche

29.

Diagram above shows a food web.

Which organisms are in the second trophic level?

a)

Bird, tadpole

b)

Snail, fish

c)

Bird, fish, small animals

d)

Snail, tadpole, small animals

30.
An individual living thing is a/an __________.
a)
habitat
b)
ecosystem
c)
organism
d)
population
31.
A group of organisms of the same species living in the same area are called a/an ________.
a)
community
b)
habitat
c)
population
d)
ecosystem
32.
A group of different species that live together and interact in an environment are called a/an ________.
a)
community
b)
habitat
c)
population
d)
ecosystem
33.

The place where an organism lives is its _________.

a)

habitat

b)

abiotic

c)

ecosystem

d)

community

34.
What do you call it when two or more species are competing for the same resources?
a)
Competition
b)
Predation
c)
Commensalism
d)
Mutualism
35.

In the woods, there are hawks and robins. They both try to occupy the same niche by competing for worms as the only source of food in that same area at that same time. The hawks outcompete the robins, and the robins are forced to leave that area. This is an example of:

a)

Mutualism

b)

The competitive exclusion principle

c)

Commensalism

d)

Neutralism

36.

Barnacles are animals that cannot move. In order to get food, they attach to whales and catch any floating plankton in the water. The whale is neither helped nor harmed in the interaction. What type of symbiosis is this?

a)

Mutualism

b)

Commensalism

c)

Parasitism

d)

Amensalism

37.

In the sea, little fish called pilot fish swim closely to sharks. The pilot fish clean the sharks, and the sharks provide protection for the pilot fish. What type of symbiosis is this?

a)

Mutualism

b)

Commensalism

c)

Parasitism

d)

Amensalism

38.

What is this picture describing?

a)

It is describing direct competition between flamingos and ducks.

b)

It is describing natural selection as it follows the disruptive selection pattern.

c)

It is describing the niche of each bird within the tree.

d)

It is describing abiotic factors of the tundra.

39.

This photo is showing the same ecosystem in 2 scenarios: one with the sea otter and one without the sea otter. In the ecosystem without the sea otter, the ecosystem dynamics are completely changed. What term best describes the sea otter?

a)

Niche

b)

Climax community

c)

Pioneer species

d)

Keystone species

40.

T/F: Biodiversity is a good thing because it provides variety in an ecosystem.

a)

True

b)

False

41.

What term describes the ability of an organism or ecosystem to adapt after a disturbance?

a)

Tolerance

b)

Resilience

c)

Biodiversity

d)

Niche

42.

The ability to resist disturbance

a)

Resilience

b)

Tolerance

c)

Niche

d)

Inertia

43.

A relationship between two oganisms were one organism is helped and the other is harmed.

a)

parasitism

b)

commensalism

c)

mutualism

d)

food web

44.

An organism that breaks down dead organisms and puts the nutrients back into the soil.

a)

consumer

b)

producer

c)

decomposer

d)

omnivore

45.

An animals that hunts and eats other animals.

a)

herbivore

b)

omnivore

c)

predator

d)

prey

46.
How do  animals get nitrogen?
a)
the atmosphere 
b)
eating other organisms
c)
bacteria
d)
lightning 
47.
The efficiency of energy transfer from a lower trophic level to the next highest level is roughly
a)
1%
b)
10%
c)
100%
d)
1000%
48.
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.
49.
Biomass refers to
a)
Chemical Energy
b)
Light Energy
c)
Rank in the feeding heirarchy
d)
Amount of living tissue at the tropic level
50.
The diagram represents a model of a food pyramid.  Which statement best describes what happens in this food pyramid?
a)
More organisms die at higher levels than at lower levels, resulting in less mass at higher levels.
b)
Energy is lost to the environment at each level, so less mass can be supported at each higher level.
c)
When organisms die at higher levels, their remains sink to lower levels, increasing the mass of lower levels.
d)
Organisms decay at each level, and thus less mass can be supported at higher levels
51.

If there is 1000 Kcal for the producers, how much energy would be transferred to the Primary Consumers?

a)

10 Kcal

b)

1 Kcal

c)

100 Kcal

d)

1000 Kcal

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