What is biology?
the study of life
the study of the environment
the study of DNA
the study of ecosystems
the study of organelles
Which of the following is NOT a property of life?
populations or organisms that are unable to change over time
living things exhibit complex but ordered organization
organisms take in energy and use it to perform all of life's activities
organisms reproduce their own kind
organisms respond to environmental stimuli
You try to start your car, but it does not start. Which of there is a hypothesis?
my car does not start
my car's battery might be dead
if I recharge the battery, then my car will start
my car is too old to function properly
what's wrong with my car?
Discovery science is primarily based on ____________.
hypothesis testing
deduction
experimentation
theory
observation
Which of the following is a producer?
house plant
earthworm
dog
sun
cow
Humans are ____________.
ecosystems
producers
cells
consumers
decomposers
Relative to prokaryotic cells, eukaryotic cells are usually ____________.
smaller and more complex
smaller and simpler
smaller and equally complex
larger and equally complex
larger and more complex
Humans are composed of ____________ cells.
bacterial
archaeal
eukaryotic
plant
prokaryotic
Which of the following is NOT recycled, but is lost from ecosystems?
nitrogen
energy
magnesium
carbon
sodium
Which domain(s) consist(s) of prokaryotic cells?
bacteria only
eukarya only
archaea and eukarya
achaea only
bacteria and archaea
Ecology is the study of ____________.
life
relationships among different species
human effects on the environment
interactions between humans and other species
interactions between organisms and their enironment
Which of the following is abiotic?
a protist
an animal
a plant
a fungus
a rock
What level of ecology is concerned with groups of individuals of the SAME species?
community
tissue
organism
ecosystem
population
What level of ecology is concerned with groups of individuals of DIFFERENT species?
What level of ecology is concerned with both the biotic and abiotic aspects of an environment?
What is the primary source of energy for nearly ALL of the earth's ecosystems?
sunlight
geothermal vents
volcanoes
wind
rocks and soil
Water moves from land to the atmosphere through ____________.
evaporation only
precipitation
transpiration only
transpiration and evaporation
evaporation and precipitation
Which part of the earth receives the greatest intensity of solar radiation?
Tropic of Cancer
Tropic of Cancer and Tropic of Capricorn
equator
North and South Poles
all parts of the earth receive the same intensity of solar radiation
Areas of the earth with similar climate, plants, and animals.
life zone
photic zone
benthis zone
biomes
none of the above
Terrestrial biomes distribution is primarily determined by temperature and rainfall.
What is a population?
a group of organisms that occupy the same general area plus all the abiotic factors
a group of organisms that occupy the same general are
a group of organisms of the same species that occupy the same general area
all the organisms of a single species existing at a particular time
The number of individuals of a population per unit area ois the ____________.
population dispersion pattern
population density
population age structure
population's intrinsic rate of increase
In the absence of all limiting factors, a population's growth follows a(n) ____________ model.
exponential
hypergeometric
mathmatical
arithmetic
logistic
____________ is the maximum population size that a particular habitat can support and at which the population stabilizes.
survivorship curve
carrying capacity
population growth rate
population size
intrinsic rate of increase
Factors that tend to reduce population numbers are called ____________.
carrying capacities
reproductive potentials
density limits
environmental resistances
Potential of a species to increase its numbers is termed ____________.
reproductive (biotic) potential
migration limits
A population-limiting factor whose effects intensify as the population increases in density.
density-dependent factor
density-independent factor
reproductive potential
Which one of the following factors that limits population growth is density dependent?
nutrients
water
weather
soil
competition
When the biotic potential is GREATER than the environmental resistance, then a population INCREASES.
The role (or function) that a species plays in its community, including its habitat and its interations with other organisms.
habitat designation
niche
producer
primary consumer
Energy is recycled within and between ecosystems.
An interaction between organisms using the same resource, which is often present in limited supplies.
carrying capacity factors
ecological niche
biological magnification
biological amplification
When one species benefits at the expense of the other.
mutualism
parasitism
commensualism
abiotic inversion
Which of the following is NOT a component of biological diversity?
genetic diversity
species diversity
ecosystem diversity
sub species diversity
A species whose impact on its community is much larger than its total mass or abundance would indicate.
keystone species
producer species
mutualistic species
predatory species
biophilic species
