Eco-Pop Test- Evolution Flashcards
What was the name of Charles Darwin’s ship and where did he arrive?
HMS beagle and the galapagos
Who Was the first to use the word evolution?
Bonnet
What animal did Darwin study?
Finches
What was Malthus economic principles?
When populations exceed the resources due to war, famine, disease etc.
What did Darwins theory of evolution include?
Overproduction, genetic variation, struggle to survive, differential reproduction
What is overproduction?
Not all young and each generation can survive.
What is genetic variation?
There are variations in all populations that are passed on genetically
What is struggle to survive?
Some variations are favorable, these are adaptations
What is differential reproduction?
Individuals that survive and reproduce other ones with favorable variations fitness.
The formation of a new species from an existing one is…
Speciation
What is pre-zygotic
When species don’t mate to begin with
What is post – zygotic
When the two species may put offspring is not viable
What is divergent evolution?
Descendants of a single ancestor diversify because of changes in geographic barriers
What is adaptive radiation?
When one species spreads out to feel different available niches
What is convergent evolution?
Close adaptations occur in response to similar niches.