Population Ecology II

A group of organisms of the same species living in the same place at the same time is called a(n) _________.

• ecosystem
• population
• community
• organism

largest number of individuals of a population that the environment can support  

• carrying capacity
• primary succession 
• denitrification
• mutualism

All the living and non-living factors that interact in an area

• ecosystem
• carnivore
• niche
• population

A population is...

• A group of one species in one area
• Multiple species that live in one area
• All of the living and nonliving things in an area
• None of these

What will happen to the population when the death rate is larger than the birth rate?

• grow
• shrink
• stay the same
• None of these

A pack of wolves that live and move together are an example of what type of dispersion?

• territorial

• clumped

• uniform

• random

Which of the following will decrease the size of a population?

• immigration and births

• emigration and births

• immigration and deaths

• emigration and deaths

Which kind of dispersion is #1?

• clumped
• random
• uniform

Which of the following must be true for the growth rate to equal zero?

• birth rate > death rate

• birth rate < death rate

• birth rate = death rate

• 2x birth rate = 1/2 death rate

What factor describes when populations decrease because animals are moving out of a population?

• Emigration
• Limiting Factors
• Immigration
• Exponential Growth