BIO 101 Final Exam WVU Salihu |97 Questions and Answers
feature of a well-designed experiment - -1. experimental group- group recieving treatment
2. control group- not exposed to treatment
3. has an IV and DV
4. blind strategies
5. randomized- subjects randomly assigned to group
6. repeatable
-population - -group of same species that live in a specific habitat
-community - -populations of different species that interact with each other within an
location
-ecosystem - -all living organisms, as well as non-living
-biomes - -determined by rainfall and temperature
-primary sucession - -begins in a place without soil or life
-secondary sucession - -faster than primary; life and soil are already present
-trophic level - -10% of energy available at each level passed to the next; 1% from the sun;
in theory earth can support more vegetarians than carnivores bc they have more energy
available to them
-biomagnification - -the pollutant increases as it passes through the food chain; DDT,
mercury and PCBs cause
-invasive species - -exotic species that cause harm when introduced to a new area
-deforestation - --increased loss of species
-increase soil erosion
-increased global warming
-decreased soil fertility
-causes of global warming - -greater concentrations of greenhouse gases trap more heat
and lead to higher temperatures
-causes of acid rain - -1. burning fossil fuels release SULFER DIOXIDE and NITROGEN
DIOXIDE
2. gases combine with water vapor to form SULFURIC acid and NITRIC acid
3. acids fall as precipitation
-causes of ozone delpletion - -release of chlorofluro carbons (CFCs) into atmosphere
, -sustainable development - -economic development that is conducted without depletion of
natural resources
-integrated pest management (IPM) - -uses a combo of biological, cultural, and chemical
methods to control pests
-nucleus - -control center of cell
-rough ER - -modifies proteins that will be shipped elsewhere in an organism
-smooth ER - --synthesizes lipids (fatty acids/phospholipids/steroids)
-detoxifies molecules (like alc, drugs, metabolic waste)
-golgi body - -processes and packages proteins, lipids, and other molecules for export to
other parts of organism; help with secretion
-mitochondria - --acts like all-purpose energy converters
-harvest energy to be used for cellular functions
-have own circular DNA
-dual membrane
-chloroplast - --site of photosynthesis (converts light energy to chemical energy)
-contains circular DNA
-dual membrane
-ribosomes - -protein synthesis
-lysosome - -act as a floating garbage disposal for cells digesting and recycling cellular
waste products and consumed material
-prokaryotic cell - -small; no nucleus; no organelles; evolved earlier
-eukaryotic cells - -larger; has a nucleus; contains organelles; more complex
-separates organelles from cytoplasm - -plasma membrane
-most organelles are - --membrane bound
-found only in euk cells
-benefits of orgnelles - -more efficient
-structure of DNA - --double helix
--nitrogenous base
--phosphate backbone
--sugar
feature of a well-designed experiment - -1. experimental group- group recieving treatment
2. control group- not exposed to treatment
3. has an IV and DV
4. blind strategies
5. randomized- subjects randomly assigned to group
6. repeatable
-population - -group of same species that live in a specific habitat
-community - -populations of different species that interact with each other within an
location
-ecosystem - -all living organisms, as well as non-living
-biomes - -determined by rainfall and temperature
-primary sucession - -begins in a place without soil or life
-secondary sucession - -faster than primary; life and soil are already present
-trophic level - -10% of energy available at each level passed to the next; 1% from the sun;
in theory earth can support more vegetarians than carnivores bc they have more energy
available to them
-biomagnification - -the pollutant increases as it passes through the food chain; DDT,
mercury and PCBs cause
-invasive species - -exotic species that cause harm when introduced to a new area
-deforestation - --increased loss of species
-increase soil erosion
-increased global warming
-decreased soil fertility
-causes of global warming - -greater concentrations of greenhouse gases trap more heat
and lead to higher temperatures
-causes of acid rain - -1. burning fossil fuels release SULFER DIOXIDE and NITROGEN
DIOXIDE
2. gases combine with water vapor to form SULFURIC acid and NITRIC acid
3. acids fall as precipitation
-causes of ozone delpletion - -release of chlorofluro carbons (CFCs) into atmosphere
, -sustainable development - -economic development that is conducted without depletion of
natural resources
-integrated pest management (IPM) - -uses a combo of biological, cultural, and chemical
methods to control pests
-nucleus - -control center of cell
-rough ER - -modifies proteins that will be shipped elsewhere in an organism
-smooth ER - --synthesizes lipids (fatty acids/phospholipids/steroids)
-detoxifies molecules (like alc, drugs, metabolic waste)
-golgi body - -processes and packages proteins, lipids, and other molecules for export to
other parts of organism; help with secretion
-mitochondria - --acts like all-purpose energy converters
-harvest energy to be used for cellular functions
-have own circular DNA
-dual membrane
-chloroplast - --site of photosynthesis (converts light energy to chemical energy)
-contains circular DNA
-dual membrane
-ribosomes - -protein synthesis
-lysosome - -act as a floating garbage disposal for cells digesting and recycling cellular
waste products and consumed material
-prokaryotic cell - -small; no nucleus; no organelles; evolved earlier
-eukaryotic cells - -larger; has a nucleus; contains organelles; more complex
-separates organelles from cytoplasm - -plasma membrane
-most organelles are - --membrane bound
-found only in euk cells
-benefits of orgnelles - -more efficient
-structure of DNA - --double helix
--nitrogenous base
--phosphate backbone
--sugar
