Answered: Fixity of Species refers to… Group of…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

See similar textbooks

Related questions

Question

Fixity of Species refers to…

Group of answer choices

A-the theory that species exist at a fixed location along a physiological continuum

B-the fact that species are defined by fixed adaptations to their direct environment

C-the theory presented by Thomas Malthus that population densities of any given species are most affected by mortality and fertility rates

D-the pre-darwinian notion that species, once created, can never change

E-the late 19th century concept that because mendelian traits are fixed they are evidence that variation within and between species are designed by God specifically for those species

Expert Solution

Step 1

The species are fixed was the idea that was believed before Darwin's theory in the 18^th century. Charles Darwin stated that evolution happens over time by natural selection, in which species that become better adapted to the changing environmental conditions are selected by nature. The species that do not adapt themself to the changing environment are not selected by nature and thus cannot survive in the changing environment; and, die out.