Show:
Science of Biology
Chemistry of life
Ecology
Populations
Biodiversity
100
observation
What is the first step of scientific method?
100
the basic unit of matter
What is an atom?
100
an organism that is able to capture energy from sunlight or chemicals and use it to produce its own food
What is an autotroph?
100
the movement of individuals into an area occupied by and existing population
What is immigration?
100
the total of the variety of organisms in the biosphere
What is biodiversity?
200
an experiment in which only one variable is changed
What is controlled experiment?
200
a negatively charged particle, located in the space surrounding the nucleus
What is an electron?
200
a solution with a pH of less than 7
What is an acid?
200
the movement of individuals out of an area
What is emigration?
200
the increasing concentration of a harmful substance in organisms at higher trophic levels in a food chain or web
What is biological magnification?
300
the group in an experiment that is exposed to the same conditions as the experimental group except for one independent variable
What is control group
300
a pure substance that consists of entirely one type of atom
What is an element?
300
the first producer of energy rich compounds later used by other organisms
What is a primary producer?
300
a growth pattern in which the individuals in a population reproduce at a constant rate
What is exponential growth?
300
the destruction of forests
What is deforestation?
400
evidence, information gathered from observations
What is data?
400
a solution with a pH of less than 7
What is an acid
400
an organism that obtains food by consuming other living things
What is a hetertroph?
400
a factor that causes the growth of a population to decrease
What is a limiting factor?
400
a resource that can be produced or replaced by healthy ecosystem functions
What is a renewable resource?
500
a well-tested explanation that unifies a broad range of observations and hypotheses
What is a theory?
500
a solution with a pH level of more than 7
What is a base?
500
a series of steps in an ecosystem in which organisms transfer energy by eating and being eaten
What is a food chain?
500
a limiting factor that depends on population size
What is density-dependent limiting factor?
500
a resource that cannot be replenished by natural processes
What is a nonrenewable resource?