Understanding Populations

Unit 5 Population and Wildlife Conservation

Understanding Populations

Multiple Select

What are the three types of population distribution?

There are three types of population distribution: __________, _________, and ______________.

• Uniform

• Random

• clumped

• mitigated

Multiple Choice

The mortality rate of organisms following a type I survivorship curve is __________.

• fairly constant throughout life

• higher in post-reproductive years

• lower after the organisms become established

• unrelated to age

Multiple Choice

Describes how the organisms are spread out from one another.

• Denisty

• Volume

• Distribution

• Population pattern

Multiple Choice

The average number of people per square mile

• population distribution
• population density
• urbanization
• population rate

Multiple Choice

The spread of disease increases with physical contact, we call this form of death

• Density-Dependent

• Density-Independent

• Density-Loose

• Population Vigor

Multiple Choice

The relationship between acacia ants and acacia trees is known as...

• Commensalism

• Parasitism

• Mutualism

• Predation

Multiple Choice

A bird that feeds at NIGHT and a bird that feeds during the DAY from the same flower is an example of

• direct competition

• mutualism

• indirect competition

• indirect commensalism

Multiple Choice

Animals of the same species would most likely compete over a limited amount of -

• minerals
• Oxygen
• sunlight
• mating partners

Multiple Choice

Different species are most likely to compete for resources in an ecosystem if both species attempt to –

• occupy the same niche.
• successfully reproduce.
• live in different habitats.         
• find different food sources.   

Multiple Choice

What factor would cause animals of the same species to begin competing with one another?

• increase in precipitation         
• the presence of decomposers
• the introduction of a new food source
• limited supply of resources

Multiple Choice

The total number of individuals a habitat can survive with the resources it has available.

• Carrying capacity
• Limiting factors
• Resources
• Population

Multiple Choice

This graph shows ....

• When one population increases, the other decreases.

• When one population decreases, the other increases.

• When one population increases, the other increases instantly.

• When one population increases, it causes the other to increases shortly after.

Multiple Select

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

• forest fire

• seasonal cycles

• storms

• disease

Multiple Select

Which of the following are density dependent factors?

• competition for resources

• predation

• disease

• natural disasters

Multiple Choice

What type of growth is represented behind?

• exponential
• logistics
• a good kind
• representative

Multiple Choice

which statement sounds accurate based on the graph data. 

• The zebra and lions do not affect each other
• when lions population increases, so does the zebra population
• When the zebra population increases, it causes the lion population to also increase
• when zebra populations go down, the zebra population goes up. 

Multiple Choice

What is the carrying capacity for this sheep population?

• 1.8 million
• 1.25 million
• 1.6 million
• 1.o million

Multiple Choice

True or False: Limiting factors can be population dependent and population independent.

• True/Cierto
• False/Falso

Multiple Choice

Logistic growth has 3 phases. In Phase 1, the population grows rapidly. In Phase 2, population grows slowly. In Phase 3, growth stops. What causes growth to stop in the 3rd phase of logistic growth?

• Emigration
• Immigration
• Exponential Growth
• Carrying Capacity

Multiple Choice

What does the graph represent?

• Emigration
• Exponential growth
• Immigration
• Logistic Growth

Multiple Choice

A snake is eaten by a hawk. The hawk is the _______.

• prey
• parasite
• predator
• all of these

Multiple Choice

Food, water, sunlight, shelter, and space are resources that are  __________.

• limiting factors
• wet
• messy
• found in rocks

Multiple Choice

In which type of interaction between species does ONE species BENEFIT by HARMING ANOTHER species but not killing it?

• predation

• parasitism

• mutualism

• commensalism

Multiple Choice

What is the carrying capacity of the following graph?

• 1000
• 8000
• 800
• 600

Multiple Select

Select all the correct answers.

The current human population is reaching nearly eight billion people and will continue to grow. Which are the consequences of population growth?

• increase in population density

• decrease in birth rates

• limited resources

• decrease in diseases

Multiple Choice

What pattern of migration do whales follow?

• one return journey

• one direction only

• multiple return journeys

• daily movements

Multiple Choice

What term describes the spacing of organisms relative to each other?

• Density

• Dispersion

• Size

• Population

Multiple Choice

What are two ways do decrease a population's growth rate?

• Mortality and Natality

• Mortality and Emigration

• Natality and Immigration

• Immigration and Emigration

Multiple Choice

What are two ways to add to a population's growth rate?

• Mortality and Emigration

• Mortality and Natality

• Immigration and Emigration

• Natality and Immigration

Multiple Choice

What are the abiotic factors in the environment that affect populations called?

• Density-Independent Factors

• Density-Dependent Factors

• Carrying Capacity

• Non-Living Things

Multiple Choice

What are the biotic factors in the environment that have an effect on populations called?

• Density-Independent Factors

• Density-Dependent Factors

• Carrying Capacity

• Living Things

Multiple Choice

What is the movement of individuals out of a population called?

• Immigration

• Emigration

• Migration

• Capacity

Multiple Choice

What is the movement of individuals into a population called?

• Immigration

• Emigration

• Migration

• Capacity