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Ecology

Total questions: 80

Worksheet time: 20hrs 0mins

Name
Class
Date
1.
An individual belonging to a specific species
a)
Biotic
b)
Community
c)
Organism
d)
Reptile
2.
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
3.
An area where an organism finds food, shelter and water in a specific arrangement
a)
niche
b)
biosphere
c)
biome
d)
habitat
4.
The living part of an ecosystem
a)
Biotic
b)
Abiotic
c)
Mother Earth
d)
Flowers
5.
The non-living part of an ecosystem
a)
Ocean
b)
Lava Flow
c)
Birds
d)
Abiotic
6.
The study of how living things interact with one another and with their environment.
a)
Biology
b)
Lithology
c)
Ecology
d)
Farmacology
7.
Organisms that look similar and can produce fertile offspring
a)
Species
b)
Fish
c)
Community
d)
Trees
8.
Two or more members of a particular species living and interacting in the same area
a)
Community
b)
Population
c)
Organisms
d)
Biosphere
9.
Different populations living and interacting with each other in the same area
a)
Biome
b)
Ecosystem
c)
Community
d)
Niche
10.
The area between the highest mountain and the deepest ocean where life can be found
a)
Biosphere
b)
Biome
c)
Farm
d)
Ecosystem
11.
At what stage does this population reach it's carrying capacity on the Demographic Transition Model
a)
1
b)
2
c)
3
d)
4
12.

An organism's place in the biotic environment and its role in an ecosystem is

a)

Niche

b)

Epitope

c)

Habitat

d)

Habit

13.
Which of the following is the correct order of organization in living things from most basic (simple) to most complex?
a)
a.  Organism, cell, tissue, organ, organ system
b)
a.  Organ system, organ, tissue, cell, organism
c)
a.  Cell, tissue, organ, organ system, organism
d)
a.  Cell, organ, tissue, organ, organism, organ system
14.
A collection of organisms that belong to different populations but all live in the same area and interact with one another.
a)
Population
b)
Ecosystem
c)
Community
d)
Ecosphere
15.
Identify the examples as: a organism, population, community, or ecosystem.
All speckled sting-ray that live in the Pacific Ocean
a)
Organism
b)
Population
c)
Community
d)
Ecosystem
16.
What are the ecological levels of organization from smallest to the largest?
a)
organism, population, community, ecosystem, biome, biosphere
b)
organism, community, population, ecosystem, biome, biosphere
c)
organism, population, community, biome, ecosystem, ecosphere.
d)
organism, community, population, biome, ecosystem, ecosphere
17.

Jacob is going out to his grandparents farm. On the farm is a stream that he likes to fish in. While he is fishing he sees many different species of fish as well as maple and oak trees and dragonflies. What Jacob is seeing is an example of what level of organization?

a)

organism

b)

population

c)

community

d)

ecosystem

18.
Abby is walking to school with her best friend Jaylyn. They begin talking about everything they see including the ash trees, grass, weeds, ants, and people. They also notice how cold it is, how there are several large puffy clouds out, and how the sun is just starting to come up.  What level of organization are they discussing?
a)
community
b)
ecosystem
c)
biome
d)
biosphere
19.
Antonio and Javier are astronauts in space looking back at Earth and discussing how all the life on Earth interacts with each other as well as the nonliving things. What level of organization are they discussing?
a)
A community
b)
A biome
c)
An ecosystem
d)
A biosphere
20.

What is the smallest level of ecological organization

a)

community

b)

ecosystem

c)

organism

d)

population

21.
A relationship that describe a close interaction between two different species is known as what?
a)
Biodiversity
b)
Symbiosis
c)
Predation
d)
Emigration
22.
This is known as a relationship in which one organism benefits, while the other is unaffected.
a)
Parasitism
b)
Mutualism
c)
Immigration
d)
Commensalism
23.
The organism that is hunted and eaten in a particular feeding relationship is known as:
a)
Predator
b)
Decomposer
c)
Prey
d)
Autotroph
24.
This is known as a relationship in which both organisms involved benefit. 
a)
Predator-Prey
b)
Commensalism
c)
Mutualism
d)
Decomposition
25.

Remoras are fish that generally latch on to sharks and eat leftovers of food from the shark. This is an example of which type of ecological relationship?

a)

Mutualism

b)

Commensalism

c)

Parasitism

d)

Competition

26.

Plover birds typically eat parasites trapped inside of crocodiles' mouths. The plover receives a meal, while the crocodile is rid of parasites. What type of ecological relationships does this scenario represent?

a)

Mutualism

b)

Predator/Prey

c)

Competition

d)

Commensalism

27.

Lions typical fight to death for territory, mates, and food sources. Lions are most likely fighting due to:

a)

Commensalism

b)

Mutualism

c)

Competition

d)

Parasitism

28.

Cordyceps are a type of a fungi that hijack insects muscular and nervous systems, eventually leading to the death of the insect. What type of relationship is this?

a)

Commensalism

b)

Predator/Prey

c)

Parasitism

d)

Competition

29.

As a leopard is searching for prey, a lion stalks and slowly approaches it. This could be considered what type of relationship between the lion and leopard?

a)

Competition

b)

Predator/Prey

c)

Mutualism

d)

Commensalism

30.
What term best describes the grasshopper?
a)
Herbivore
b)
Predator-prey
c)
Competition
d)
Producer
31.
Barnacles sometimes live on the outside surface of other larger shelled organisms without causing any harm. What is the ecological relationship?
a)
Mutualism
b)
Parasitism
c)
Commensalism
d)
Predator-Prey
32.
Cows and pronghorn both eat the same types of food in areas of Utah. What is the ecological relationship?
a)
Cooperation
b)
Parasitism
c)
Commensalism
d)
Competition
33.
Ants protect soft bodied aphids and in return the aphids feed the ants a sugary drink. What is the ecological relationship?
a)
Cooperation
b)
Parasitism
c)
Commensalism
d)
Mutualism
34.
What is the ecological relationship shown in this image of a robberfly and beetle?
a)
Cooperation
b)
Parasitism
c)
Predator-prey
d)
Competition
35.
What term best describes the vole, the small rodent, in this image?
a)
Prey
b)
Predator
c)
Producer
d)
Competition
36.
Chickens will eat both insects and seeds. Which term best describes this feeding pattern?
a)
Omnivore
b)
Carnivore
c)
Herbivore
d)
Producer
37.

What do you call an animal that only eats plants?

a)

niche

b)

carnivore

c)

parasite

d)

herbivore

e)

predator

38.

This term describes a consumer that feeds only on other consumers - in other words, the 'opposite' of vegan…

a)

mutualsim

b)

niche

c)

prey

d)

autotroph

e)

carnivore

39.

The animal in an ecological relationship that results in another animal being hunted, killed, and eaten…

a)

autotroph

b)

habitat

c)

predator

d)

herbivore

e)

producer

40.

The non-living part of the natural environment where an animal, plant or other organism lives…

a)

niche

b)

habitat

c)

community

d)

ecosystem

e)

biosphere

41.

What would you call an ecological symbiotic relationship that is helpful to both organisms involved?

a)
commensalism
b)
niche
c)
mutualism
d)
habitat
e)
parasitism
42.

An ecological symbiotic relationship between two organisms where one benefits and the other is harmed…

a)

parasitism

b)

herbivore

c)

mutualism

d)

carnivore

e)

commensalism

43.

This is the job or role of a specific organism within its habitat...

a)

producer

b)

prey

c)

carnivore

d)

niche

e)

photosynthesis

44.

The name of the process that producers use to make their own food…

a)

respiration

b)

commensalism

c)

food chains

d)

photosynthesis

e)

symbiosis

45.

What is the term used to describe ALL of the populations of ALL the species of living organisms within a particular habitat?

a)

savanna

b)

wildlife

c)

community

d)

habitat

e)

ecosystem

46.

The term used to include all of the living things PLUS all the non-living things together in a specific environment...

a)

community

b)

biosphere

c)

habitat

d)

population

e)

ecosystem

47.

This is the term used for the study of how living things interact with each other and their environment...

a)

ecology

b)

archeology

c)

biology

d)

astronomy

e)

phrenology

48.

What do you call the total count of a specific organism living within their natural habitat?

a)

ecosystem

b)

community

c)

population

d)

symbiosis

e)

niche

49.
A relationship between two organisms where one benefits while the other is harmed is known as what?
a)
Decomposition
b)
Consummerism
c)
Mutualism
d)
Parasitism
50.
A feeder fish usually follows behind sharks to pick up food scraps that they leave behind. The fish gets food and the shark is unaffected. This is an example of:
a)
Mutualism
b)
Commensalism
c)
Parasitism
d)
Decomposition
51.
A clownfish uses a sea anenome as a safe place to live. While living there, the clownfish lures in food for the anenome. This is an example of what type of relationship?
a)
Predator-Prey
b)
Commensalism
c)
Mutualism
d)
Parasitism
52.
The nonliving aspects of an ecosystem.
a)
Abiotic factors
b)
Biotic factors
53.
The living portions of the ecosystem.
a)
Biotic factors
b)
Abiotic factors
54.
A mosquito feeds off of the blood of different organisms. This usually causes discomfort to the organism and sometimes disease and death. This is an example of:
a)
Parasitism
b)
Decomposition
c)
Commensalism
d)
Mutualism
55.

Lions and hyenas live in close proximity and eat the same types of foods. What is the ecological relationship?

a)

Mutualism

b)

Commensalism

c)

Parasitism

d)

Competition

56.
A frog eats a fly. The frog and fly are demonstrating ________.
a)
mutualism
b)
competition
c)
predator/prey
d)
parasitism
57.
What type of symbiosis?  Hummingbirds feed on nectar from flowers.  The flowers are pollinated by hummingbirds as they move from flower to flower.
a)
commensalism
b)
mutualism
c)
parasitism
d)
predation
58.
Suppose there was a bird that always sat on a horse’s back and ate the insects that would bite the horse.  What term would describe the relationship between the bird and the horse?  
a)
commensalism
b)
competition
c)
mutualism 
d)
parasitism
59.

A bird builds a nest in a tree and the tree is neither helped nor harmed. What is this type of relationship?

a)

commensalism

b)

predation

c)

mutualism

d)

parasitism

60.
A tapeworm lives in a human’s skin, taking nutrients from the human.  What is the role of the tapeworm in the relationship?
a)
Parasite 
b)
 Prey
c)
Host
d)
Parasitism
61.
Both owls and snakes preying on mice in a forest. What is the relationship between the owls and snakes?  
a)
Commensalism
b)
Competition
c)
Predation
d)
Symbiosis
62.

Vines grow on a tree. The vines get light but the tree is not affected. What kind of relationship is this?

a)

Competition

b)

Mutualism

c)

Commensalism

d)

Parasitism

63.

Plants on the bottom of the forest floor do not get as much sunlight when they grow near tall trees. What type of relationship is this?

a)

Mutualism

b)

Commensalism

c)

Competition

d)

Parasitism

64.
A symbiotic relationship in which both organisms benefit:
a)
Competition.
b)
Mutualism.
c)
Commensalism.
d)
Parasitism.
65.

Many fish die due to a drastic change in water temperature.

a)

Density-Dependent

b)

Density-Independent

66.

Due to stress, large numbers of female lemmings miscarry their young and fail to reproduce.

a)

Density-Dependent

b)

Density-Independent

67.

An extensive drought in the plains threatens wildebeest, giraffe, zebra, and springbok populations.

a)

Density-Dependent

b)

Density-Independent

68.

Which of the following is a density-dependent limiting factor?

a)

human activities

b)

unusual weather

c)

competition

d)

natural disaster

69.
Which of the following is a density-independent limiting factor?
a)
natural disaster
b)
predation
c)
disease
d)
parasitism
70.

Which of the following would NOT be an example of a density dependent limiting factor?

a)

fire

b)

disease

c)

lack of food

d)

space

71.

Which of the following would NOT be an example of a density independent factor?

a)

predation

b)

tornado

c)

hurricane

d)

fire

72.

Which of the following are examples of a density independent factors?

a)

forest fire

b)

seasonal cycles

c)

storms

d)

disease

73.

Which of the following are density dependent factors?

a)

competition for resources

b)

predation

c)

disease

d)

natural disasters

74.

What would human alterations of the environment be considered? Ex. Cutting down the rain forests

a)

Density-independent

b)

Density-dependent

75.
If the number of births in a population is the same as the number of deaths in a population, what will happen to the growth of the population?
a)
It will increase.
b)
It will decrease.
c)
It will stay the same.
d)
It will fluctuate.
76.
If the number of births is greater than the number of deaths in a population, what will happen to the growth of the population?
a)
It will increase.
b)
It will decrease.
c)
It will stay the same.
d)
It will fluctuate.
77.
What growth pattern describes a population whose growth rate slows or stops following a period of exponential growth?
a)
logistic growth
b)
population growth
c)
exponential growth
d)
predator-prey cycle
78.
What type of growth is shown in the diagram?
a)
exponential growth
b)
logistic growth 
c)
predator-prey cycle
d)
boom-bust curve
79.
Largest number of individuals of a population that the environment can support...  
a)
carrying capacity
b)
population crash
c)
lag phase
d)
mutualism
80.
What do you call a period of rapid growth?
a)
exponential growth
b)
logistic growth
c)
emigration
d)
predator-prey cycle

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