species and speciation Flashcards
what do we call when the sperm has fertized the egg
it’s called post zygotic mechanism
the sperm startst the development but gets naturally aborted
zygotic mortality
when the organism borns and lives but is not adaptive and can’t survive on his own
Hybrid inviability
when the organism is adaptive (he can survive in nature) but simply can’t reproduce.
Hybrid sterility
What is speciation
it’s a SPlit.
original population sharing genes starts to divide into two diff pop. (that are two diff speciation).
what is sympatric speciation
no physical, geo barrier.
disrupted selection gone too far.
ring species
specie around ring (but cant reproduce).
why is sexual reproduction so important
it gives diverse offsprings, which can have different genes for the env. plus they can evolve to be better at what they do.
