Populations

This species is responsible for keeping other populations in check.

• Keystone Species
• Pioneer Species
• Invasive Species
• Genus Species

One of the main characteristics of a population is its

• change over time
• geographic range
• dynamics
• habitat

Tags

NGSS.MS-LS2-4

The movement of organisms into a geographic range is called

• immigration
• emigration
• population shift
• carrying capactiy

If immigration and emigration number remain equal, which is the most important contributing factor to a slowed growth rate?

• increase in birth rate
• constant death rate
• decrease in birth rate
• constant birth rate

Something that controls the growth or size of a population is a 

• carrying capacity
• limiting factor
• growth factor
• limiting agent

Which of the following is a density independent limiting factor?

• competition
• temperature
• crowding
• disease

Spraying for Mosquitoes with DDT is an example of a 

• Density Independent Limiting factor
• Density Dependent limiting factor

A country in the first stage of demographic transition have 

• high birth and death rates
• high death rate and low birth rate
• low death rate and high birth rate
• indefinite growth

An s-shaped growth curve represents

• exponential growth
• logistic growth

The maximum number of organisms in a given population that an ecosystem can support

• Load Capacity
• Carrying Capacity
• Limiting Factor
• Keystone Species