chapter 9

Question 1

What is lamarckian evolution

Answer 1

amount of change was thought to be based off use/disuse of the organ

Question 2

what is gene flow

Answer 2

migration of individuals between populations will result in loss or gain of genes

Question 3

what are homologous structures

Answer 3

have same basic anatomical features and evolutionary origins, functions may not be similar

Question 4

what are analogous structures

Answer 4

have similar functions but may have different evolutionary origins and entirely different patterns of development

Question 5

what are vestigial structures

Answer 5

no known current function but apparently had some ancestral function

Question 6

what are coacervate droplets

Answer 6

when colloidal proteins clump together, they absorb and incorporate substances from the surrounding environment

Question 7

whats an example of autotrophic anaerobes

Answer 7

chemosynthetic bacteria

Question 8

whats an example of autotrophic aerobes

Answer 8

green plants and photoplankton

Question 9

whats an example of heterotrophic anaerobes

Answer 9

yeasts

Question 10

whats an example of heterotrophic aerobes

Answer 10

amoebas, earthworms, humans