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Population Growth

Total questions: 52

Worksheet time: 1hrs 18mins

Name
Class
Date
1.

Today the human population of Earth is

a)

more than 10 billion

b)

more than 6.7 billion

c)

less than 7 million

d)

less than 9.9 million

2.

Today the growth rate of the human population is decreasing.

a)

true

b)

false

3.

How a population changes in size during a specific period of time...

a)

growth rate

b)

infant mortality

c)

life expectancy

d)

death rate

4.
The amount of babies born per 1000 in a population
a)
death rate
b)
birth rate
c)
immigration 
d)
emigration
5.
_______________ is the clearing of forests on a massive scale.
a)
Delimbing
b)
Reforestation
c)
Deforestation
d)
Detreeing
6.

What is mortality rate?

a)

Measure of the number of deaths in a particular population

b)

Measure of fertility

c)

Life expectancy

d)

Measure of the number of births in a particular population

7.
About 500 years ago, the world’s population started
a)
decreasing.
b)
to reach carrying capacity.
c)
growing more rapidly.
d)
to level off.
8.
The anticipated human population by the year 2050 is about
a)
7.8 billion.
b)
9 billion.
c)
9 trillion.
d)
78 billion.
9.
What three factors can affect ANY population's growth rate?
a)
Birthrate, death rate, migration
b)
disease, predation, migration
c)
medicine, agriculture, industry
d)
life expectancy, sanitation, vaccines
10.
In a given population, the birth rate is equal to the death rate. Which of the following would be a true statement about this population?
a)
The population is growing exponentially.
b)
The population is decreasing in size.
c)
The population is remaining constant in size.
d)
The population is increasing in size.
11.
The carrying capacity of a population growing logistically is the largest population the environment can support.
a)
True
b)
False
12.
Carrying Capacity is
a)
the capacity of what one person can carry per day 
b)
how many animals you have in your daily bag limit at the end of the year
c)
wildebeest at a watering hole with zebras
d)
the maximum number of individuals that the environment can support
13.
Which of the following is an EXAMPLE of a limiting factor?
a)
Water
b)
the color of the sky
c)
Migration
d)
Thick fur
14.
Individuals of a population who exit an area.
a)
Immigration
b)
Emigration
c)
Mitigation
d)
Lingation
15.
Individuals of a population who move into an area.
a)
Immigration
b)
Emigration
c)
Litigation
d)
Mastication
16.
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 don't matter
17.
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 don't matter
18.
What type of growth model is this?
a)
exponential growth model
b)
logistic growth model
c)
Type I curve
d)
Type III curve
19.
Which of the following best describes parasitism?
a)
+/+
b)
+/-
c)
+/0
d)
-/-
20.
Which of the following is true about competition?
a)
Controls population size
b)
Ensures everyone eats
c)
Keeps everyone happy
d)
Is only between 2 men
21.
Which of the following is an example of a parasite?
a)
Rabbit
b)
Fish
c)
Tick
d)
Fly
22.
If I want blue M&Ms and you also want want blue M&Ms what is likely to happen?
a)
Competition
b)
Predation
c)
Parasitism
d)
I'm going to get it or you're going to fail
23.
A frog eats a fly. The frog and fly are demonstrating ________.
a)
mutualism
b)
competition
c)
predator/prey
d)
parasitism
24.
A tapeworm and a cat have this type of relationship.
a)
mutualism
b)
parasitism
c)
commensalism
d)
competition
25.
A tick and a dog have this type of relationship.
a)
mutualism
b)
commensalism
c)
neutralism
d)
parasitism
26.
An organism that is eaten by another organism
a)
pray
b)
prey
c)
predator
d)
hamburger
27.
A relationship between two species where one benefits while the other is harmed.
a)
Mutualism
b)
Commensalism
c)
Parasitism
d)
Naturalism
28.
A relationship between two organisms in which one organism benefits and the other is unharmed
a)
Mutualism 
b)
Competition
c)
Parasitsm 
d)
Commensalism 
29.
A relationship between two organisms in which both organisms benefit. 
a)
Mutualism 
b)
Competition
c)
Parasitsm 
d)
Commensalism 
30.
Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales.  What kind of relationship is this?
a)
Mutualism 
b)
Parasitism 
c)
Commensalism 
31.
An organism that eats other organisms
a)
producer
b)
omnivore
c)
prey
d)
predator
32.
Mistletoe extracts water and nutrients from the spruce tree to the trees detriment.  
a)
Parasitism
b)
Mutualism
c)
Commensalism
d)
Predation
33.
True or false: symbiosis is interaction between two different organisms living in close physical association
a)
True
b)
False
34.
What is the carrying capacity of the following graph?
a)
1000
b)
8000
c)
800
d)
600
35.
If a disease destroying barley plants in a field swept through an ecosystem, what would happen to the barley eating bird population in the the field ?
a)
The bird population would stay the same
b)
The bird population would infinitely increase
c)
The bird population would decrease
36.
In a forest ecosystem, which of the following is the best example of a limiting factor for a rabbit population?
a)
Squirrel Population
b)
Sunlight
c)
Grass available
37.
Cattle egrets foraging in fields among cattle. The egret gets easy access to food and the cattle don't care if they are there or not.
a)
mutualism
b)
commensalism
c)
competition
d)
parasitism
38.
A wrasse fish feeds on the parasites found on the black sea bass's body. The relationship between the wrasse fish and the black sea bass is an example of _______.
a)
Mutualism 
b)
Parasitism 
c)
Commensalism 
39.
Which of the following would most likely limit the growth of a population?
a)
mild winters
b)
increased numbers of predators
c)
increased numbers of prey
d)
plenty of rainfall
40.
Which of the following is NOT a limiting factor for populations?
a)
Space
b)
Food
c)
Time 
d)
Climate 
41.
Which of the following would increase the population of mosquitoes in your area?
a)
Provide still water for the mosquitoes to lay their eggs
b)
Spray the area with toxic chemicals (insecticides)
c)
Swat the mosquitoes that land on you
d)
Put up bat houses to attract bats that eat mosquitoes
42.
Which of the following is NOT an example of an adaptation?
a)
Grass’s ability to use the process of photosynthesis
b)
A lion killing its prey
c)
A porcupine’s sharp quills
d)
A woodpeckers strong beak
43.
What is the benefit of having adaptations?
a)
They help organisms stay alive in their environment
b)
They allow the organism’s offspring to be genetically different
c)
They help organisms mature faster
d)
They determine whether an organism will be a predator or prey
44.
An organism’s niche is basically
a)
where it fits in.
b)
an ecosystem.
c)
how it competes.
d)
a relationship.
45.
How is a predator/prey relationship different than a producer/consumer relationship?
a)
Prey are faster than consumers
b)
Consumers don’t hunt and kill producers
c)
Both predators and consumers kill and eat something else
d)
Both prey and producers can get away from consumers
46.

If there is a large lion population in an ecosystem and a limited amount of food, what will occur between the members of the lion population?

a)

Parasitism

b)

Competition for food

c)

Commensalism

d)

Competition for water

47.

Which of the following represents a population?

a)

All of the animals in the forest

b)

All of the grey squirrels in a forest

c)

All of the plants in the forest

d)

All of the abiotic factors in the forest

48.

One reason birds sing and deer rub their antlers on trees is to —

a)

find more food

b)

establish a territory

c)

improve their habitat

d)

frighten their prey

49.

Two different species of ants are both trying to eat the leaves of the same type of plant. This is —

a)

cooperation

b)

competition

c)

commensalism

d)

omnivores

50.

The job or role an organism plays within its habitat is called its —

a)

address

b)

food chain

c)

competition

d)

niche

51.

Cheetahs and lions both feed on similar prey. What does this create?

a)

Producers between the two species for food

b)

Niches between the two species for food

c)

Competition between the two species for food

d)

Cooperation between the two species for food

52.

In the relationship between a snake and a frog, if the snake eats the frog, the frog is —

a)

alpha

b)

prey

c)

a mutualistic partner

d)

a predator

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