Final Flashcards
What is evolution
The changing characteristics of a species overtime
How was the work of Hutton and Lyle important to Darwin?
Help support Darwin theory that living things change
What conclusion did Charles Darwin make based on his study of the beak shape of Galapagos finches?
Species change through natural selections so they can become more fit in their environment
What is natural selection?
Natural selection allows for beneficial changes in species, so they become more fit
What is fitness
The ability to survive and reproduce
What is adaptation?
The way species become more fit in their environment
What is survival of the fittest?
Only individuals who are most adapted to the environment will survive
What does speciation?
A splitting event that produces two or more separate species
Vestigial organ
An organ that serves little to no purpose
What is a species?
A group of living organisms, consisting of similar genes and or interbreeding
Define behavioral isolation
When an animal performs a certain action to attract a mate
What is genetic drift?
Change in frequency of a gene due to random chance
What is a mutation?
A change in the DNA sequence of a cell
What is the structure of a virus?
DNA or RNA genome inside a protein shell called a capsid. Some viruses have an external membrane envelope
What structure is unique to a virus?
Viral capsids
What structure is common to both a virus in a living cell?
Nucleic acids
How are viruses able to reproduce?
In order to reproduce, they need a host cell
What is the relationship between a virus and its host cell
The virus uses the cell to replicate DNA and reproduce, and eventually will burst the cell
What is the lytic cycle?
Cell bursts
What is the lysogenic cycle?
Cell does not burst
What type of white blood cells does HIV and AIDS destroy?
CD4 immune system cells
How can viral infections be prevented?
Vaccinations, washing your hands, staying away from sick people
Can viral infections be treated by antibiotics
No
Can bacterial infections be treated with antibiotics
Yes
Levels of organization within an organism
Cell, tissue, organ, organ system, organism
What is the function of adrenal glands?
Processes hormones that regulates metabolism and blood pressure
Which system works to breakdown protein into smaller monomers
Digestive system , amino acids
Which systems regulate the production of blood, blood cells, mineral storage and transport them throughout the body
Skeletal and circulatory
What is the body response to increased internal body temperature?
Increase sweat
What structures are used for water and nutrient absorption in plants
Roots
Which organ structure in the intestinal track performs a similar function as the root hares
Villi in the small intestine
Describe transpiration
The process of plants, losing water, stomata, guard cells
What is the equation for photosynthesis?
6CO2+6H2O->C6H12O6+6O2
