lecture 3

Question 1

______ reproduces very slowly (common name for a division)

Answer 1

conifers

Question 2

what is the scientific name for flowering plants?

Answer 2

division anthophyta

Question 3

where are the reproductive organs located in flowering plants?

Answer 3

in the flowers

Question 4

homosporous or heterosporous?

Answer 4

heterosporous

Question 5

what does the microgametophyte make?

Answer 5

pollen

Question 6

how many cells big is the megagametophyte in flowering plants? is there anything special about the structure of the megagametophyte?

Answer 6

7 cells big but 8 nuclei

Question 7

what is endosperm? who does it belong to?

Answer 7

the endosperm belongs to the flowering plants (anthophyta)

Question 8

What are the sepals?

Answer 8

outermost part/whorl

Question 9

what is the caylx

Answer 9

the whole collection of sepals

Question 10

what is the purpose of the sepals?

Answer 10

they protect the inner whorls

Question 11

what are all the petals together called?

Answer 11

the corolla

Question 12

what is the purpose of the petals?

Answer 12

protects the reproductive parts of the flower

attracts pollinators

Question 13

what are the male reproduction structures called?

Answer 13

the stamens

Question 14

What are the two parts of the stamen?

Answer 14

the filament

the anther

Question 15

what is the androcium?

Answer 15

the collection of all the stamens together

the “house of men”

Question 16

What is the carpel?

Answer 16

the female reproductive structure

Question 17

what are the parts of the reproductive structure?

Answer 17

ovary (which contains ovules)
stigma
style

Question 18

what is the function of the style

Answer 18

its where pollen compete to race down to the ovary

Question 19

what is the function of the stigma?

Answer 19

the stigma is where pollen lands, then proceeds to the style

Question 20

What is the gynoceium?

Answer 20

the collection of female reproductive parts; the collection of carpels

Question 21

arrival of pollen on stigma ( of flowering plants) or on receptive female cone (conifers). Only happens to seed plants

Answer 21

pollination

Question 22

female animal, or plant, involving the fusion of male and female gametes to form a zygote

Answer 22

fertilisation

Question 23

What are the main 2 groups of flowering plants?

Answer 23

monocots

eudicots

Question 24

What is a monocot?

Answer 24

a flowering plant whose seed contains one embryonic leaf

ex: grasses

Question 25

what is a eudicot?

Answer 25

a flowering plant whose seeds contain two embryonic leaves | ex: oaks, maples

Question 26

Are monocots or eudicots leaf veins parallel?

Answer 26

monocot

Question 27

Are monocot or eudicots pollen grain have three openings?

Answer 27

eudicots

Question 28

whose flower petals are in multiples of 3? Whose multiples of 4 or 5?

Answer 28

monocot - 3 | eudicot - 4/5

Question 29

What only occurs in seed plants?

Answer 29

pollination

Question 30

conifers are ___pollinated

Answer 30

wind

Question 31

characteristics of flowers that indicate who they are generally pollinated by

Answer 31

pollination syndrome

Question 32

syndrome of ___ Shape: various: can be highly specialized or not Colour: various, including yellow, blue, orange (not red) Odor: non or highly specific

Answer 32

bees

Question 33

``` syndrome of ___ Shape: tubular, open at night Colour: yellow or white Odor: strong and sweet, often only given off at night Nectar: large quantity ```

Answer 33

bats

Question 34

``` syndrome of ___ Shape: tubular Colour: red most common, also yellow Odor: none Nectar: large quantity, often weak (20% sugar) ```

Answer 34

birds

Question 35

``` syndrome of ____ Shape: not attractive (very reduced petals) Odor: none Nectar: none pollen : very large quantity Ex: grasses, ragweed ```

Answer 35

wind

Question 36

What pollination type gives you hayfever

Answer 36

wind