Evolution (History of the theory of evolution ) Flashcards
At the begginning of the 19th Century we started to question…
The fixity of species
A specie being fixed is…
That it doesn’t change
Naturalists thought that species that lived after the extinction appeared…
Spontaneously
In the actuality, the lamarckism theory is….
obsolete
Following lamarckism, organisms have a natural tendency to…
Become more complex
Lamarckism states that, changes in the environment…
Bring out new needs, creating new behaviours
Lamarckism proposed that new behaviours made organs…
change the way they are used, making the less used atrophy
Darwin proposed that…
Natural tendencies weren’t driven or predetermined
The voyage above the beagle was…
A journey of 5 years exploring the world, he saw the rich biodiversity of the galapagos
Darwin used selection of varieties, a mix of…
various techniques that breeders used to make crossing of purebreds with specific traits and get a specific result
The phrase: “geological formations happened because of the action of slow moving in the earth acting over period of millions of years” relates to darwin because…
Darwin said that it could also be applied to evolution, saying that small changes over millions of years would make evolute species
When we talk about the survival of the fittest we say that: “when population increases….”
Resources stay the same, and become limited
When resources are limited and population increases, species have to…
fight to survive, and the ones who have better genes will survive.
