natural selection and seedless plants

Question 1

Natural Selection
Causes changes in ________ _______that
lead to ________

Answer 1

allele frequencies adaptation

Question 2

changes ________ _______ of
population in “favor” of the most successful
combination of ______ in a particular
environment

Answer 2

genetic composition,traits

Question 3

Stabilizing selection

Answer 3

– favors the mean over phenotypic extremes

Question 4

Directional selection

Answer 4

– favors one phenotypic extreme over another,

causing shift in phenotypic mean

Question 5

Disruptive selection

Answer 5

favors two or more phenotypic extremes

Question 6

Charophytes are _____ _____ green algae

Answer 6

cloeset relitive

Question 7

what is necessary for plants
to move from the diploid sporophyte generation to the
haploid gametophyte generation?

Answer 7

meiosis

Question 8

in Bryophytes ________ is dominant in alteration of generations

Answer 8

gametophyte

Question 9

__________ nutritionally dependent on gametophytes

Answer 9

Sporophytes so they remain permanently attached

Question 10

in mosses ______ occurs within capsule of sporophyte and produces _______

Answer 10

meiosis, spores

Question 11

what happens when a spore germinates

Answer 11

it – forms buds that develop into gametophytes

Question 12

what do bryophytes and seedless vascular plants have in common in therms of reproduction

Answer 12

depends on water

– as transport medium for motile sperm cells

Question 13

what’s the Largest and most diverse group of

seedless vascular plants

Answer 13

ferns

Question 14

Fern sporophyte consists of a ______ that bears _____ and true ____

Answer 14

rhizome,fronds,roots