Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
18 Cards in this Set
- Front
- Back
|
Macro evoltuion
|
Long term long change over time
|
|
|
Micro evolution
|
looking at small genetic changes in an evolution
|
|
|
Gene Pool
|
all of the genetic material in one population
|
|
|
Mutation
|
changes in genes
|
|
|
Natural selection
|
when members of the family have bigger genetic traits that improve their ability to survive and reproduce.
|
|
|
Types of Selection : Directional
|
moving in a direction
|
|
|
Types of Selection: Stabilizing
|
keep it stable
|
|
|
Types of Selection: Diversifying
|
Changing , splits , favors both extremes, Usually leads to more species
|
|
|
Co-evolution
|
two interacting species evolve togehr in response to each other. predator vs. prey
|
|
|
Ecological niches
|
everything an organism needs to survive , reproduce , its roll (How you live)
|
|
|
Ecological niches : Fundamental
|
your full potential . Full range of potential htings of what you can use for food
|
|
|
Ecological niches: Realized
|
the amount of what you can really get because of completion
|
|
|
Generalist
|
flexible , large range of tolerance , ROACHES
|
|
|
Specialist
|
only eat one or two things , not wide spread PANDAS
|
|
|
Geographic isolation
|
when they are separated by many objects
|
|
|
Background extinction
|
humans destroying habitats
|
|
|
mass extinction
|
comet
|
|
|
adaptive radiation
|
happens after a massive extinction
|
