week 6

Question 1

the body of a fungus is comprised of strings of cells called

Answer 1

hyphae

Question 2

what are hyphae

Answer 2

threadlike filaments that make up fungal bodies

Question 3

gametophytes are ___; sporophytes are ___

Answer 3

haploid…diploid

Question 4

in the soil, some ___ convert nitrogen to a form that can be used by plants

Answer 4

prokaryotes

Question 5

lichens

Answer 5

are able to live in extreme environments like rocks

Question 6

the parts of a flower include all of the following except

Answer 6

cones

Question 7

why does it make sense that many fruits are green when their seems are immature

Answer 7

they are harder to see and thus less likely to be eaten than other fruits

Question 8

which kingdom(s) were the first to colonize land

Answer 8

plantae and fungi

Question 9

the pollen grain is to gymnosperms as the ___ is to angiosperms

Answer 9

pollen grain

Question 10

from the point of view of an angiosperm, what is the function of fruit

Answer 10

it is a mechanism for the dispersal of seeds

Question 11

why are ferns considered incompletely adapted to the terrestrial environment, when compared with plants

Answer 11

their sperm are flagellated

Question 12

the ___ helps plants retain water

Answer 12

cuticle

Question 13

which of the following are most closely related to plants

Answer 13

green algae

Question 14

the function of a mushroom is to

Answer 14

produce spores

Question 15

yeast may best be described as

Answer 15

unicellular eukaryotic cells

Question 16

the simplest and most abundant form of life on earth today are

Answer 16

bacteria

Question 17

nearly all food plants are classified as

Answer 17

angiosperms

Question 18

in angiosperms, the male gametophyte develops within

Answer 18

anthers

Question 19

in angiosperms, what structures house female gametophytes

Answer 19

ovules

Question 20

seeds develop from

Answer 20

ovules

Question 21

almost every element of bird anatomy is modified for what

Answer 21

enhancement of flight

Question 22

humans are chordates, which animal group is most closely related to chordates

Answer 22

echinoderms

Question 23

a characteristic of anthropoids that has allowed for their great success is the presence of

Answer 23

specialized segments

Question 24

what is the name given to the process by which a larva develops into an adult

Answer 24

metamorphosis

Question 25

what name is given to the food-trapping cells of sponges

Answer 25

choanocytes

Question 26

among vertebrates, the unique feature of lampreys and hagfish is the

Answer 26

absence of jaws

Question 27

coral belongs to which of the following phyla

Answer 27

cnidaria

Question 28

how do sponges differ from all of animals

Answer 28

the lack true tissues

Question 29

which animals have a cylindrical body that is tapered at both ends

Answer 29

roundworms

Question 30

which of the following would NOT be a characteristic displayed by members of the anthropoid phyla

Answer 30

closed circulatory system

Question 31

the common ancestor of all animals is likely to have been a

Answer 31

colonial, flagellated protist

Question 32

which of the following phylums have an endoskeleton

Answer 32

chordate and echinoderms

Question 33

the arthropod skeleton is composed of

Answer 33

chitin

Question 34

a ___ is an example of a mollusk that does not have a shell

Answer 34

octopus

Question 35

unique features of vertebrates include the presence of a

Answer 35

skull and backbone

Question 36

which of the following is a characteristic of all chordates

Answer 36

they all have a notochord sometime during the life cycle

Question 37

which group of fishes includes a lineage that migrated out of fresh water and adapted to life on land

Answer 37

lobe-finned fishes