A ______________________ is a very popular thought but we can't prove or ____________________ it.
theory
disprove
_______________________ are skeletal remains on past organisms
Fossils
Cheetah Cub-Honey Badger
Mimicry
The bonnet flower in Texas has different species so that it can live in different parts of ____________–so that it can survive
Texas
Natural Selection-some species change to adapt to their _________________. As their __________ changes, species either can die off or change. ONLY ONE ANSWER FOR BOTH BLANKS
environments
environments
Charles Darwin-Father of ___________ -theory explains how species change over time
Evolution
Change over time-Can be through Natural Selection or Genetic Drift
Evolution
___________are what makes us who we are
genes
We use ____________________ to hide when we hunt and often _____________________ when we fish-2 answers
Camouflage
Mimicry
Peppered _________________ adapted to their polluted environment by changing their color to make them more camouflaged.
moths
Darwin studied Finch (Bird) __________________ and saw that they change over time to allow them to catch prey
beaks
Salmon (fish) don't want weak genetics to reproduce-
___________________ of the Fittest
Survival
A lot of salmon swim upriver to spawn (reproduce) even though many die before spawning, the population ensures _______________ of the Fittest because only the strongest salmon survive.
Survival
Genetic ___________describes a population’s genes
Diversity
Over time, _________developed a longer neck so that they can reach tree leaves to eat that are very high-if they did not adapted their necks, they would not be able to eat and they would starve
giraffes
Genetic drift is a ___________ change in a species’ gene pool.
RANDOM
Both Evolution and Genetic drift makes changes to the _____________ ____________-which is the total genes of a population
Gene Pool
If an organism does not change (adapt) it may die off and become__________________
extinct
Spines protect these succulents that live in the desert
Cactus
I use _________________ when I want to look like something more dangerous than me--its for protection.
mimicry
Adapt or ______________
Die
describes how a gene pool of a species can RANDOMLY change over time.-2 words
Genetic Drift
Basically, Organisms have to create ADAPTATIONs that help them _____________ and ____________-2 answers
REPRODUCE
SURVIVE
In nature, everybody does not get a trophy. Its kinda like a sport–weak athletes (or teams) that don’t adapt or change-don’t survive-this is called Survival of the ______________
Fittest
Camouflage