14.1-14.3 Vocab

Question 1

Lamarack’s idea

Answer 1

Inheritance of acquired characteristics, the idea that offspring inherit traits that parents built up. Does not agree with current generic inheritance and inherited traits must be based on genetic changes that are passed on via gametes

Question 2

Darwins idea

Answer 2

Observed that in any species more individuals can be produced then resources can support

Question 3

Descent with modification

Answer 3

Species spread two different habitats and adapted to changes in their environment

Question 4

Natural selection

Answer 4

A mechanism of evolution, over many generations a population me adapt so that certain characteristics/jeans become more/less common

Question 5

Fossil Record

Answer 5

Position of fossils in different layers of rock is a clue to their age

Question 6

Homologous structure

Answer 6

Similar structures of different functions that indicate a common ancestor among several species, supports Darwin’s theory with modification

Question 7

Vestigial structures

Answer 7

Important in ancestral species, but not important in modern species

Question 8

Developmental structures

Answer 8

Related species that developed in similar ways, and shows similarities in embryonic development

Question 9

Evolution

Answer 9

A generalized change in the uproportion of inherited genes in a population over time