lecture 7 - plant reproduction

Question 1

advantages of sexual reproduction

Answer 1

high genetic variability
facilitates adaptation
facilitates evolution

Question 2

advantages of asexual reproduction

Answer 2

no mate
rapid saves energy
adapted to current environment

Question 3

disadvantages to sexual reproduction

Answer 3

mate required
energy costly
slower

Question 4

disadvantages of asexual reproduction

Answer 4

low genetic variability
adaptation difficult
retards evolution

Question 5

how do plants reproduce asexually

Answer 5

stolen, micropropagation, spores

Question 6

algal reproduction

Answer 6

sporangia - meiosis -gametophytes (egg and sperm)- fertilization

Question 7

bryophyte reproduction

Answer 7

spores (M and F) - fertilization - zygote - embryo- sporangium- meiosis- spore

Question 8

fern reproduction

Answer 8

sporangium- meiosis (M and F) - fertilization- zygote- sporophyte

Question 9

gymnosperm reproduction

Answer 9

sporophyte- ovule and microsporangia- microsporangium meiosis- pollen - fertilization- megasporocyte- seed

Question 10

angiosperm reproduction

Answer 10

ovary and microsporangium- meiosis- fertilization - endosperm- seed

Question 11

gymnosperms seeds

Answer 11

gymnos-naked sperm- seed

Question 12

angiosperm seeds

Answer 12

angios- receptacle sperm-seed

Question 13

apomixis

Answer 13

seed production without pollination or fertilization