Evolution TEST Flashcards
Describe the Endosymbiotic Theory
A larger cell devoured aerobic bacteria Andre Cyanobacteria - which became mitochondria and chloroplasts
What is the term for:
Structures that have the same function but different origin?
Analogous structures
What is the term for:
Occurs when most of the population dies and only certain genres remain?
Bottleneck Effect
Be able to name the three things that organisms must do or have - - to have “good fitness”
- Offsprings that reproduce
- Survive
- Reproduce
Who are the most recent common ancestors between you and your cousin?
Grandparents
What is the term for:
When certain genes cluster because individuals mate with others nearby?
Nonrandom Mating
What can Aerobic bacteria do?
Use oxygen to get more energy out of sugar
How long ago was the earth formed?
4.6 billion years ago
Be able to describe the Chemical Soup theory and explain whether it is likely or not.
A bunch of things are combined to form life
Just like carrots peas green beans are combined to make a soup
What is the term for:
Structures that were functional in some organisms but are not anymore?
Vestigial Structures
What is the term for:
Shared structures in young animals that show a common ancestor?
Embryonic Structures
What is the definition for evolution?
Change to a species over time
What is the term for:
Happens when a few individuals populate a new area?
Founder Effect
What is the term for:
When genres change due to random chance?
Genetic Drift
What can Cyanobacteria do?
Photosynthesize and Produce oxygen
How does Archaea get energy?
Obtained energy from mineral compounds
What is the term for:
Structures that have the same origin but different functions
Homologous Structures
If one animal has 15 offsprings and only 4 survive to reproduce and another animal has 50 offspring and only 4 survive - - which animal would be considered to have more fitness?
They would have EQUAL fitness
What is an inherited trait that makes an organism better suited to its environment?
Adaptation
What was Charles Darwin’s conclusion from his studies in the Galápagos Islands?
Adaptations occur so that organisms are better suited for their environment
What is the term for:
Anything that causes one organism to be more fit than another?
Selective pressures
