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Dreher Biology Final Exam

Terms

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protozoa
animal like protist; is a heterotroph
secondary succession
change following a disturbance that damges a community
S curve
shows trends
primary succession
a community arises in a virtually lifeless area
contractile vacuole
controls amount of water within cell
herbivore
a consumer that only eats producers
thigmotropism
change in plant growth due to growth
predator-prey
an interaction in which one organism eats another
alcoholic fermentation
releases Carbon Dioxide
mutualism
type of symbiotic relationship which both organisms involved benefit
behavioral isolation
two different species may have different mating behaviors
descent with modification
in different habitats species get different modifications
prokaryote
cell lacking a nucleus and most other organelles
producer
organism that makes its own food
anaweobic fermenation
fermentation in yeast produce alcohol as a waste product
sporangia
spore forming structure at tips of hyphae
photic zone
regions of a body of water where light penetrates enabling photosynthesis
amount of ATP produced in both cellular respiration and lactic acid and alcohol fermentation
38 in cellular respiration and 20 in lactic acid and alcohol respiration
vestigial structures
remanent of a function of an ancestor species; but not modern species
photosynthesis
process by which plants ise the suns energy to convert water and carbon dioxide to sugar
chemical energy
potiential to perform work due to arrangement of atoms within molecules
food vacuole
digests food
parasitism
parasitic organism obtains its food from its host organism
polar zone
coldest temperature zone
coniferous forest
characerized by cone bearing evergreen trees
solar energy
sun
pesticide resistance in insects
insect population becomes more resistant
carnivore
a consumer that eats other consumers
spores
haploid single cells with thick cell walls
temperate zone
latutudes between the tropics and the polar zones
desert
areas recieving less than 30cm
lysogenic cycle
virus injects genes into host
slime molds
decomposers that live on organic matter
moss
seedless vascular plant
angiosperms
flowering plant
fruit
ripened ovary of a flower
adaptation
inherited characterisics that impoves an organism ability
food web
pattern of feeding in an ecosystem
J curve
shows exponential growth
clade
common characterisic among species
homologous structures
similar structure found in more than one species that share common ancestors
grassland
deep rich soil that supports a variety of grass species and plants
Charles Darwin
naturalist who studied in the Galapagoes
carbon dioxide
raw ingredient in photosynthesis
detritus
the waste and remains of dead organism
autotrophs
organisms that make their own food
exponential growth
growth of a population that multiply by a constant factor
prey adaptation
camoflauge. mimicry
population
group of individuals of a species in a particular area at the same time
anaerobic
without oxygen
adaptive radiation
evolution from a common ancestor adapterd to diverse enviroment
gram stain
purple-postive; pink-negative
gene pool
consists of all the alleles in all the individuals in a population
eukaryote
cell with a nucleus and other internal organelles
pigments
chemical compounds
antibiotics
chemicals that slow or prevent the growth of microorganisms
lactic acid fermentation
make ATP without oxygen
chlorophyll
pigment that gives a chloroplast its greewn color
kingdoms
group of organisms
ovary
protective organ inside a flower that bears seeds
limiting factor
condition that restricts a population's growth
binomial nomenclature
2 part name
evolution
all changes that transformed life over an immense period of time
pyramid of numbers
deplicts the number of individuals in each trophic level
protists
eukayotes that aren't plants, animals, or fungi
development of embryos
grow inside mother's uterus
reproductive structure of fungus
spores
fossils
perserved remains or markings left by organisms that lived in the past
biomass
deplicts the actual biomass in each trophic level
meristem
structure that generates new dermal. vascular tissue
vaccines
deactivated variety of pathogen that stimulate the immune system to defend diseases
phototropism
plants growth part toward or away from light
glucose
sugar is used in the process of photosynthesis
horomones
chemical messengers in plants
domains
area or kingdom of a species
viral dieases
HIV, chicken pox,
heterotrophs
organisms that obtains food by eating other organisms
non vascular
no tubes in plant
trophic level
any class of organisms that occupy the same position on the food chain
genetic drift
a gene pool of a population due to change
mycelia
interwoven mat of hyphae
lichen
mutualistic relationship
ecological succession
series of changes in the species in a community
bryophyte
non vascular plant; lack lignin hardened walls
aphotic zone
deep areas of a body of water where light levels are too low to support photosynthesis
tundra
bitter cold temperatures and high winds
oxygen
used by animals in both cellular respiration
tropics
warmest temperature zone
hyphae
tiny threads of cytoplasm surrounded by a plasma membrane
deciduous forest
dense stands of trees that drop their leaves each year
fern
diverse and widespread
food pyramid
the way the producer eats the consumer
producers
organisms that make their own food
carrying capacity
number of organisms in a population an enviroment can maintain
artificial selection
selective breeding of domesticated plants and animals to produce offspring
decomposer
organism that breaks down dead organic matter
flagella
long, thin, whip like structures
introduced species
organisms that moved from the species' native location
commensalism
symbiotic relationship in which one benefits; while the others aren't hurt or harmed
beneficial use of prokaryotes
breaks down dead material
lytic cycle
pahe attaches to host cell and injects its DNA
cilia
short structures conatining microtubules
gymnosperms
plant that bears seeds that are not enclosed in an ovary
exponential growth
growth of a popilation that multiplies at a constant interval
convergent evolution
process in which unrelated species from similar enviroments that have similar adaptations that seem similar
cellular respiration
chemical process that uses oxygen to convert chemical energy to ATP
biodiversity
variety of life on Earth
ATP
main energy source that cells use for most of their work
virus parts
protein wrapped and DNA/RNA
population density
number of people of a particular species per square area or volume
water cycle
3 major processes move water between land, water and the atmosphere
energy pyramid
deplicts energy loss from one trophic level to the next
gene frequency
variations in alleles
pseudopods
temperary extension of a cell's cytoplasm
gibberellins
stimulates growth of stems
mycorrhizae
symbiotic relationship between fungal hyphae and plant roots
seed
plant embryo packaged along with a food supply within a protective coat
budding
reporduction; genetically identical to parent
absorptive nutrition
absorbing small organic molecules from its surroundings
locomotion
constant movement
phloem
vascular tissue that transports food from a plants leaves to its roots and shoots
potential energy
energy stored due to an object's position or arrangement
xylem
vascular tissue that transports water and dissolved minerals from roots and shoots
ADP
main energy source in RNA
fermentation
lack of oxygen while making ATP
ecological succession
process of community change
species
distinct form of life
Galapagos Islands
islands off Ecuador
consumers
consumer that ovatin their food by eating producers
algae
plant like protist; makes own food by photosynthesis
aerobic
with oxygen
tropical rain forest
occur near the equator, are warm year around, recieves 350cm of rain each year
geographic isolation
seperation of ppulations seperated by geographic change
natural selection
the process by individualss with inherited characterisitics leave more offspring
reproductive isolation
condition in which reproductive barrier keep 2 species from breeding
punctuated equilibrium
model that suggest species change in spurs of change
nitrogen cycle
process by which some bacteria convert Nitrogen to Ammonia
consumer
organism that eat the producers
vascular
tube shaped throughout the plant
decomposers
consumers that feed on dead organisms
virus
package of nucleic acid wrapped in a protein coat
Carolus Linnaeus
developed classification system of organisms
hydrotropism
plants reaction to water
food chain
pathway of food transfer from one trophic level to another
carbon-oxygen cycle
producers use Carbon Dioxide in the air or water and relase oxygen during photosynthesis
levels of classification
kingdom, phylum, class, order, family, genus, species
visible spectrum
the ranges of electromagnetic energy
classification of bacteria
bacillus, cocci, spirochetes
survival of the fittest
used to describe natural selection
kinetic energy
energy of motion

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