Bergmann's rule is based on the fact that loss of body heat increases when the ratio of surface area to body weight goes down
Indicate whether the statement is true or false
FALSE
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What is so significant about the recent fossil finds of an H. erectus and an H. habilis from Ileret, Kenya, east of Lake Turkana?
A. They prove that H. erectus and H. habilis coexisted in the same ecological niche and eventually interbred to result in a single species. B. They confirm that H. habilis evolved from H. erectus. C. They prove that sexual dimorphism was finally absent as a trend in human evolution by 2 m.y.a. D. They negate the conventional view held since 1960 that habilis and erectus evolved one after the other. Instead, they lived side by side in eastern Africa for perhaps half a million years. E. They prove that functional differentiation in toolmaking preceded the advent of Homo.
The evolutionary development of the species H. sapiens
a. is determined solely by genetic factors b. is determined solely by environmental factors c. can be accurately measured by IQ tests d. is a Mendelian trait e. is the result of both genetic and environmental factors
__________ is the study of systems of meaning in a language
a. Syntax b. Morphology c. Semantics d. Linguistics
Body piercings and tattooing among teenagers can be considered an example of __________
a. deviant behavior b. revolution c. revitalization d. reactive adaptation