AP Environmental Science › Reproductive Patterns and Principles
A scientist observed a population of leafhoppers at a research station in the Oak Openings region over the course of two years. She noticed that the only factor regulating the size of the leafhopper population was forest fires. Based on her observation, what ecological principle explains the growth rate of the leafhoppers?
A species designated as "r-strategist" is characterized by all of the following except __________.
Which of the following mammals is an "r-selected" species?
A scientist observed a population of ants at a research site over the course of five years. He noticed that as the density of the population increased, the population growth rate began to stabilize over time. What ecology principle was the scientist observing with the ants?
Which of the following factors affect birth rates?
A brand new country, named Neoland, has a growth rate of 4%. How many years will it take the population of Neoland to double?
Which of these animals is a K-selected species?
Corals often coordinate spawning so that, in the span of one night, thousands of gametes are released at once. Predatory fish are typically overwhelmed by the amount of potential prey and cannot possibly consume every gamete.
Corals are considered __________.
K-strategist species exhibit all of the following characteristics except __________.
Nigeria is experiencing a fertility rate of roughly seven children per woman and a population structure where roughly forty percent of the population is under the age of fifteen. What would be the most accurate projection of the population in coming years?