exam 1

Question 1

an adaptive trait will sometimes lead to a decrease in fitness for the individual who posesses it

Answer 1

false

Question 2

the process of speciation requires the reproductive isolation of conspecific

Answer 2

true

Question 3

polyploidy can sometimes lead to allopetric speciation

Answer 3

false

Question 4

all producers are aurotrophic

Answer 4

true

Question 5

cells of fungi are prokaryotic

Answer 5

false

Question 6

genetic drift promotes genmetic diversity between subpopulations of a species

Answer 6

false

Question 7

the fossil record approximetaly represents 90% of species that have ever lived

Answer 7

false

Question 8

biodiversity can be measured at the ecosystem level, species level, or the genetic level

Answer 8

true

Question 9

archaebacteria can be found in extreme environments

Answer 9

true

Question 10

fossils are primarily found in metamorphic rock

Answer 10

false

Question 11

jean lamarcks theory oregarding evolutionary change in a population through time was called the theory of aquired ___

Answer 11

cjaracteristics

Question 12

_____ is defined by an organisms ability r reproduce ad survive

Answer 12

fitness

Question 13

______ is the ability of an organism to aquire energy

Answer 13

metabolism

Question 14

______ is the ability of an organism to maintain a stable interanl environment

Answer 14

homestasis

Question 15

the three domains of life are archaea, eukarya, and

Answer 15

bacteria

Question 16

useless partsversions of a body part that may have been important before and are importanrt in similar species are called __ structures

Answer 16

vestigial

Question 17

a ___ is any morpholical, psychological, or behavioral trait that increases fitness

Answer 17

adaption

Question 18

______ name of economist who helped darwin develop his ideas about natural selection.

Answer 18

thomas malthius

Question 19

in a comparitive morphology we use _____ structures to determine the common ancestor of a group species

Answer 19

homologous

Question 20

______ genes ar einvolved in the specific development of a chordate species and have been used to draw evolutionary relationships among species

Answer 20

hox genes

Question 21

______ is defined by the change in allele frequencies over time

Answer 21

microevolution