1) mass extinctions, adaptive radiation, coevolution, punctuated equilibrium, and changes in development genes are examples of patterns of _______?
2) huge numbers of species disappear rapidly during a(an) _______?
3) during _______, one or more species evolve into several different forms that live in different ways.
4) the pattern of macroevolution in which two species evolve in response to changes in each other over time is called _______?
5) a pattern of long stable periods interrupted by brief periods of more rapid evolutionary change is described by the term _______?
6) changes in master control genes called _______ may be the basis for major evolutionary changes affecting the number of an organism's limbs or body sgments.
7) what evolutionary change change allowed for the great adaptive radiation of mammals?
8) how might a plant species and a pollinating insect species evolve in response to changes in each other?
10) what genetic factors might be responsible for a change in an organism's body plan?
12) paleontologists use a technique called _______ to estimate a fossil's age by comparing it to other fossils.
13) a(an) _______ is the length of time required for half of the radioactive atoms in a sample to decay.
14) the use of half-lives to determine the age of a sample is a process called _______.
15) microscopic fossils may also be called _______.
16) large-scale evolutionary changes that take place over long periods of time are referred to as _______.
17) the process by which unrelated organisms come to resemble each other is called _______.
18) a species or small group of species evolves into many new species during _______.
19) the pattern of long stable periods interrupted by brief periods of more rapid change is known as _______.
20) a species that is easily recognizable, existed for a relatively short period of time, and covered a wide geographic area may be used as a (an)
a. index fossil.
b. fossil record.
c. microfossil.
d. macrofossil.
21) when a paleontologist measures the amount of an isotape present in a fossil, what dating technique is being used?
a. fossil dating.
b. radioactive dating
c. relative dating.
d. geologic dating.
23) what is (are) measured in eras and periods?
a. relative dates
b. fossil record
c. precambrian time
d. geologic time
24) huge numbers of species disappear at once during
a. punctuated equilibrium.
b. mass extinctions.
c. coevolution.
d. adaptive radiation.
2) huge numbers of species disappear rapidly during a(an) _______?
3) during _______, one or more species evolve into several different forms that live in different ways.
4) the pattern of macroevolution in which two species evolve in response to changes in each other over time is called _______?
5) a pattern of long stable periods interrupted by brief periods of more rapid evolutionary change is described by the term _______?
6) changes in master control genes called _______ may be the basis for major evolutionary changes affecting the number of an organism's limbs or body sgments.
7) what evolutionary change change allowed for the great adaptive radiation of mammals?
8) how might a plant species and a pollinating insect species evolve in response to changes in each other?
10) what genetic factors might be responsible for a change in an organism's body plan?
12) paleontologists use a technique called _______ to estimate a fossil's age by comparing it to other fossils.
13) a(an) _______ is the length of time required for half of the radioactive atoms in a sample to decay.
14) the use of half-lives to determine the age of a sample is a process called _______.
15) microscopic fossils may also be called _______.
16) large-scale evolutionary changes that take place over long periods of time are referred to as _______.
17) the process by which unrelated organisms come to resemble each other is called _______.
18) a species or small group of species evolves into many new species during _______.
19) the pattern of long stable periods interrupted by brief periods of more rapid change is known as _______.
20) a species that is easily recognizable, existed for a relatively short period of time, and covered a wide geographic area may be used as a (an)
a. index fossil.
b. fossil record.
c. microfossil.
d. macrofossil.
21) when a paleontologist measures the amount of an isotape present in a fossil, what dating technique is being used?
a. fossil dating.
b. radioactive dating
c. relative dating.
d. geologic dating.
23) what is (are) measured in eras and periods?
a. relative dates
b. fossil record
c. precambrian time
d. geologic time
24) huge numbers of species disappear at once during
a. punctuated equilibrium.
b. mass extinctions.
c. coevolution.
d. adaptive radiation.