Chapter_26_Learning_Objectives

Chapter_26_Learning_Objectives - Chapter Learning...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Chapter Learning Objectives Chapter 26: Population Growth and Regulation Define ecology and population o Ecology- the study of interrelationships among living things and their nonliving environment o Population- members of a particular species within an ecosystem 26.1 How does population size change? Distinguish between biotic potential and environmental resistance o Biotic Potential- maximal growth rate given ideal conditions; it produces exponential growth if not restrained o Environmental resistance- factors that limit population growth such as food availability, space, access to mates, and environmental factors Describe the variables involved in the exponential model of population growth o Population growth= biotic potential – environmental resistance o Population change=( births- deaths) + (immigrants-emigrants) Draw the growth curve of a population before it encounters significant environmental resistance. What is the name of this type of growth and what are its distinguishing characteristics? 26.2 How is population growth regulated?
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.
Ask a homework question - tutors are online