Study sets, textbooks, questions
Upgrade to remove ads
Topic 8: understanding the natural world
Terms in this set (23)
Which of the following statements about exponential growth is true?
In reality, it is not possible for population growth to continue indefinitely.
When birth rate equals death rate, __________.
population growth rate equals zero
The ____ shows how an exponential growth curve can be slowed and eventually stopped by limiting factors such as disease or decreased food.
logistic growth curve
What does exponential growth result in?
A population explosion
Carrying capacity is __________.
the maximum population density of a given species in a given geographical location
What happens when N is equal to K?
The growth rate of the population is zero.
A __________ is defined as a group of individuals of the same species living in the same area at the same time.
A population is a group of __________.
individuals in a species
A population would grow exponentially __________.
if there were no limiting factors
Using the population growth rate formula, which variables increase the growth rate?
Birth rate and immigration rate
The effects of which of the following environmental factors would probably not change as a population grows?
A ________ shows how an individual's likelihood of survival varies with age.
Which factor is one that is used to calculate population growth?
The ____ is defined as the total rate of change in a population's size per unit of time.
population growth rate
An oak tree produces thousands of acorns each year, but very few grow into mature oak trees. The oak tree exhibits a __________ survivorship curve.
What is a limiting factor?
Physical, chemical, or biological attribute of the environment that restrains population growth
Immigration will tend to __________.
increase population size
A population that has stopped increasing in size because of limited resources has __________.
reached its carrying capacity
_____ describes the movement of individuals into a population.
Populations experiencing rapid, unchecked growth would have a growth curve that resembles __________.
the letter J
_____ describes the deaths within a population.
Which of the following leads to growth of a population?
Why is carrying capacity not a fixed value?
Conditions such as temperature, disease, and food availability can change in both space and time, making more or fewer resources available.
20) India and the United Kingdom have approximately the same arithmetic density although their landscapes and sizes are quite different. From this we can conclude that the two countries have roughly the same...
8. Explain how in delayed density dependence, the current birth or death rates may not accurately represent the current conditions. Why is this the case?
Costa Rica has a lower CDR than Sweden because Costa Rica
what is the name for the growth model that describes an idealized population growth that is slowed by limiting factors as the population size increases
Sets found in the same folder
Biology 1st semester Test
Environmental Science Ch. 8 Dynamic study module
Sets with similar terms
Week 14 - Population Biology and Community Interac…
Biology Quiz Chapter 5
Assignment/Quiz 8 Questions
Other sets by this creator
MKTG 3650 Final Review
MKTG 3650 modules 11-14
MKTG 3650 The Skinny: modules 6-10
MKTG 3650 mod 5
Other Quizlet sets
Resume And Cover Letter questions and statements
Chap 6 -Business