Mutations
Mutations can lead to changes in ____ which mean that mutations can produce differences among individuals
traits
An inherited trait that increases an organism's chances of survival is called ______
adaptation
When an _____ trait has become more frequent in a population, the population has evolved
inherited
When a population lacks variations, the population might lost its ability to ____
reproduce
What is genetics
the study of how traits are passed down from parents to offspring
Slight differences in traits are called _____
variations
Adapatations can be structural, functional or ____
behavioral
Define evolution
change over time
_____ occurs when the last individual of a species dies
extinction
Who studied pea plants?
What is Natural Selection?
the process whereby organisms better adapted to their environment tend to survive and produce more offspring.
The flap of skin that enables a flying squirrel to glide is called a ____ (physical) adaptation
structural
Species can look and behave differently than their ancestors because the frequency of ____ traits changes over time
genetic
native
Punnett squares show possible phenotypes and genotypes, while pedigree's show a families history of dieases
Give an example of something that would help an animal survive in the wilderness
A mouse that can camoflauge
Give an example of a functional adaptation
smaller leaves on desert plants that reduce water loss
The evolution of antibiotic-resistant ____ is a modern example of change over time
bacteria
The branch of biology that studies why many species are in trouble and what can be done to save them is called _____
conservation biology
What is the difference between a phenotype and genotype
pheno = physical (blue eyes), geno= genes (aa)
Why would mutations be a good thing sometimes
Because certain mutations can help animals better survive in their enviorment
_____ adaptations involves the ways an organism behaves or acts
Behavioral
Bacteria that can survive against antibiotics is called _________
Antibiotic-resistant
Scientists introduced several female panthers from a population in Texas into the Florida population to increase genetic _____ in the Florida population
diversity
What is codominance
When both physical traits can be observed (blood types)