1) Biologist principally apply the ____ to solve real world problems.
a) The Laws of thermodynamics
b) life concepts
c) sun’s radiation
d) study of the stars
2) Ecology does not involve_____?
a) the study of animal equilibrium
b) the study of animals and plants
c) the study of the balance between organisms and their environment
d) the study of astronomy
3) Ecology is made up of _____ sciences?
a) basic
b) secondary
c) whole
d) derived
4) The middle wavelength of visible light is the color:
a) blue
b) red
c) yellow
d) orange
5) An area of multiple ecosystems is a _______?
a) biome
b) niche
c) habitator
d) range
6) An area in the oceans or other bodies of water, where the salinity changes is the ____?
a) thermocline
b) halocline
c) ooze
d) varve
7) The numbers of prey in an area determine the number of predators and vice versa.
a) True
b) False
8) Population levels do not stabilize when environmental limits are reached.
a) True
b) False
9)The lowest rate of increase in world population took place before ____?
a) 1800
b) 1900
c) 1950
d) 1700
10) The study of man and his culture is called?
a) archaeology
b) anthropology
c) paleontology
d) zoology
11) Transpiration and evaporation return ______ to the atmosphere?
a) soil
b) nutrients
c) air
d) water
12) CFCs are a threat to the _____?
a) ground environment
b) soil
c) ozone layer
d) birds