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Flashcards in lecture 3 Deck (36):
1

______ reproduces very slowly (common name for a division)

conifers

2

what is the scientific name for flowering plants?

division anthophyta

3

where are the reproductive organs located in flowering plants?

in the flowers

4

homosporous or heterosporous?

heterosporous

5

what does the microgametophyte make?

pollen

6

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

7 cells big but 8 nuclei

7

what is endosperm? who does it belong to?

the endosperm belongs to the flowering plants (anthophyta)

8

What are the sepals?

outermost part/whorl

9

what is the caylx

the whole collection of sepals

10

what is the purpose of the sepals?

they protect the inner whorls

11

what are all the petals together called?

the corolla

12

what is the purpose of the petals?

protects the reproductive parts of the flower
attracts pollinators

13

what are the male reproduction structures called?

the stamens

14

What are the two parts of the stamen?

the filament
the anther

15

what is the androcium?

the collection of all the stamens together
the "house of men"

16

What is the carpel?

the female reproductive structure

17

what are the parts of the reproductive structure?

ovary (which contains ovules)
stigma
style

18

what is the function of the style

its where pollen compete to race down to the ovary

19

what is the function of the stigma?

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

20

What is the gynoceium?

the collection of female reproductive parts; the collection of carpels

21

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

pollination

22

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

fertilisation

23

What are the main 2 groups of flowering plants?

monocots
eudicots

24

What is a monocot?

a flowering plant whose seed contains one embryonic leaf
ex: grasses

25

what is a eudicot?

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

26

Are monocots or eudicots leaf veins parallel?

monocot

27

Are monocot or eudicots pollen grain have three openings?

eudicots

28

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

monocot - 3
eudicot - 4/5

29

What only occurs in seed plants?

pollination

30

conifers are ___pollinated

wind

31

characteristics of flowers that indicate who they are generally pollinated by

pollination syndrome

32

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

bees

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

bats

34

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

birds

35

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

wind

36

What pollination type gives you hayfever

wind