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Biology Today: An Issues Approach is a college-oriented Biology textbook by Eli C. Minkoff and Pamela J. Baker designed to integrate the teaching of biological concepts within the context of current societal issues relating to these topics. [1] It is the original issues-oriented introductory-level general biology textbook. [2]
The Princeton University Press reprinted the book in 2001 as a part of the "Princeton Landmarks in Biology" series. [1] The book popularized the theory that insular biota maintain a dynamic equilibrium between immigration and extinction rates. The book also popularized the concepts and terminology of r/K selection theory. [2]
Cover of the first edition. Biology Today is a college-level biology textbook that went through three editions in 1972, 1975, and 1980. The first edition, published by Communications Research Machines, Inc. (CRM) and written by a small editorial team and large set of prominent "contributing consultants", is notable for its lavish illustrations and its humanistic approach.
Author Laura E. Gómez, a UCLA School of Law professor, wrote a book to understand where Latinos fit in America's racial order − the how and why of Latinx identity becoming a distinctive racial ...
On the other hand, if immigration and colonization rates are low relative to extinction rates, meaning more individuals of a population die comparing to the newly arrived ones, the rescue effect is small. It can also be concluded that the insular isolation should be inversely related to the turnover rate of the population inhabiting the island.
When discussing population dynamics, behavioral ecology, and cell biology, recruitment refers to several different biological processes. In population dynamics, recruitment is the process by which new individuals are added to a population, whether by birth and maturation or by immigration. [1]
Births, deaths, emigration, and immigration rates all play a significant role in growth rate. The maximum per capita growth rate for a population is known as the intrinsic rate of increase. In a population, carrying capacity is known as the maximum population size of the species that the environment can sustain, which is determined by resources ...
[2] [3] [4] As such, there is no simple accepted definition of migration. [5] One of the most commonly used definitions, proposed by the zoologist J. S. Kennedy [6] is Migratory behavior is persistent and straightened-out movement effected by the animal's own locomotory exertions or by its active embarkation on a vehicle.