Chapter 21, 23, and 24 Flashcards
1
Q
hardy Weinberg equilibrium
A
allelic frequency do not vary from generation from generation
2
Q
pre zygotic
A
mechanical, ecological, temporal, behavioral, gametic, chromosomal
3
Q
post zygotic
A
hybrid inviablitiy, hybrid infertility
4
Q
allopatric
A
driven by geographical isolation
5
Q
sympatric
A
making a new hybrid species that is viable, immigration of genes into the areas
6
Q
parapatric
A
edge of two biomes, subgroup forms
7
Q
macro evolution- phyletic gradualism
A
gradual changes over a long period of time
8
Q
macro evolution- punctuated equilibrium
A
large change, short amount of time, followed by an equilibrium, mass immigration
9
Q
biogeography
A
study of life’s distribution on the planet
10
Q
Darwins 5 main idea
A
- organism are varied, no two are identical
- more individuals are born than survive or reproduce
- ind, compete for competition
- some characteristics make some better to survive and produce fertile offspring
- only ind. with adaptive traits live long enough to transmit traits, over time natural selection changes characteristics of populations even giving rise to new species
11
Q
half life of 14 C
A
5730