multiple choice
A car shares a certain characteristic with living things. What is not a reason a scientist could show a car is not a living organism?
cars are not made of cells
the perspective a person uses to interpret the world is his?
worldview
a simple, testable statement that predicts the answer to a question is?
hypothesis
the idea that the earth is fragile and should be used as little as possible is known as?
environmentalism
the physical stuff that makes up everything in the universe is known as ?
matter
temperature is a measurement of
the speed of moving particles
covalent compounds form when atoms______ electrons
share
a substance that decreases the activity of an enzyme is a(n)
inhibitor
the attraction of one water molecule for another is known as
cohesion
organic compounds all contain the element
carbon
lipids include
fats
what region does not lie in the biosphere
earth's mantle
regions of the biosphere that share certain environmental conditions, such as climate, and have a certain set of organisms adapted to those conditions are known as
biomes
all the organisms of the same species and living in the same area are known as a(n)
population
the way that an organism lives in its habitat, including its effects on that habitat and on other organisms that share the habitat, is known as that organism's
niche
which of the following can affect the climate of a biome ?
elevation, large bodies of water, and latitude
competition can occur between
organisms of the same species, organisms of different species, and organisms using the same resources
two organisms that share a habitat but have no direct effect on each other are exhibiting
neutralism
population density is the
number of individuals per unit of area
what is not a type of macromolecule
nitrogen
what safety device should be used if a student pours acid into a beaker and it splashes into there eyes
eye wash station
you are safe but in a state of shock. You knock an entire beaker of acid onto you lab partner's pants. What item will be used to save the jeans?
safety shower
what is the first thing that should be done to prepare for lab?
read the instructions
what should be worn in lab at all times to decrease the likelihood of eye injury
goggle
wash ur hands