Overproduction
What does "capacity" mean?
the maximum amount something can contain
What does "vary" mean?
to change
What does "select" mean?
to choose
What does "evolution" mean outside of science class?
change over time
What does "carrying capacity" mean?
the largest population an area can support
a change in a gene or chromosome
What is selective breeding?
humans choose which organisms are parents of the next generation, to get more of a desired trait
What did Darwin mean by the word "evolution"?
the gradual change in a species over time
Imagine a population of rabbits in an area. If the carrying capacity of the area is 200, and the current population is 50, what is probably going to happen to the rabbit population? (increase OR decrease OR stay the same)
What does "adaptation" mean?
a trait that helps an organism survive and reproduce
Why did Darwin rename "selective breeding" as "artificial selection"?
What did Darwin mean by the term "evolution by natural selection"?
the gradual change in a species over many generations as better-adapted organisms are more likely to survive, reproduce, and pass on their traits
Imagine a population of deer in Commerce. If the carrying capacity is 200, but the population is 250, what will probably happen to the deer population? (increase OR decrease OR stay the same)
decrease
How are mutations related to adaptations?
Adaptations are caused by mutations
What is natural selection?
when nature selects which organisms get to survive long enough to reproduce and pass on their useful traits
What was the major problem with Darwin's original theory?
How does one generation pass its traits to the next generation?
Imagine the mosquitoes that live in Commerce in the summertime. Mosquitoes need puddles and areas of standing water to lay their eggs. If people around Commerce start making sure there are no puddles or standing water in their yards, what will that do to the carrying capacity of mosquitoes in Commerce? (increase OR decrease OR stay the same)
decrease
How does natural selection explain why wild birds are scared of humans?
the birds who don't fly away are more likely to die and not pass on their traits
How did scientists use Mendel's work to solve the big problem with Darwin's original theory of evolution by natural selection?
genes in the nucleus of our cells carry traits from one generation to the next