Test 4 (gymno/angio Sperms

Question 1

Gymnosperms are often refer to as “_____”

Answer 1

Naked seeds

Question 2

Gymnosperms bear____

Answer 2

Seeds

Question 3

Gymnosperms have ____ tissue

Answer 3

Vascular tissue

Question 4

There are _____ species of gymnosperms

Answer 4

700-900

Question 5

Gymnosperms have roots that extend over a ____

Answer 5

Wide surface area

Question 6

Gymnosperms are dividded into 4 phyla and describe them

Answer 6

1.cycadophyta - • fleshy stems and leathery, feather like leaves, •have motile sperm that swim to the egg,
•can grow to 19m in height
2. Ginkgophyta-
•dioecious,
•have seperate male and female trees, fruit of female smell foul,
•leaves are fan shaped and thick with leatherly veins, have motile Sperm that swim to the egg in ovule
3. Gnetophyta-
•can be found as shrubs, vines ..etc,
•have sperm w no flagella that travel to the egg via pollen tube,
4. Coniferophyta-
•many are ever green and retain leaves in winter,
•can grow very large and to old ages,
•adapted to sever climate changes,
•leaves are covered with waxy cuticles and need shaped ,
•stomata are sunken below leaf,
•have sperm w no flagella that travel to egg via polling

Question 7

Difference between gameophytes and sporophytes

Answer 7

Gameophytes- haploid plants that use mitosis to make haploid gametes
Sporophytes- diploid paint that uses mitosis To make diploid gametes

Question 8

Gameophytes are ____ in size

Answer 8

Reduced

Question 9

Swimming sperms are replaced with ____ (in conifers and gnetophyes)

Answer 9

Pollen

Question 10

Gymnosperms ecological roles (3)

Answer 10

Help to maintain balanced levels of gases in the atmosphere

Act as food and shelter for other organism

Control flooding and erosion by absorbing rainwater they roots and holding soil in place

Question 11

Economical roles of gymnosperms (4)

Answer 11

Provides 85% of all wood used in buildings and furniture

Pulp and paper industry

Used to varnish, disinfectant, paint and some soaps and purfume

Some types are edible

Question 12

Pine reproduction ~ megaspores produce ___ which is

Answer 12

Archegonium (female sex organ) with egg

Question 13

Pine reproduction ~ microspores are the ___

Answer 13

Pollen grains

Question 14

Pine reproduction process ?

Answer 14

Pollen lands on female gametophte and forms a pollen tube to the archegonia and the egg thru which the sperm will travel zygote forms in the middle of female gameophytes which serves as its food

Question 15

Angiosperms are the most ___

Answer 15

Widespread land plants

Question 16

There are ___ own species of angiosperms

Answer 16

250,000-400,000

Question 17

Angiosperms are ___ plants

Answer 17

Vascularized plants

Question 18

Angiosperms have specialized_____ and____

Answer 18

Xylem and phloem

Question 19

Angiosperms have a ____ male and female gametophyte (__ cells) for male and (__ cells) for female
Which decreases the time needed in which to ____

Answer 19

Reduced
(3 cells)
(2 cells)
Reproduce

Question 20

Flowers are the reproductive organs of the ____

Answer 20

Angiosperms

Question 21

Flowers arise most commonly from the ____ or ___ of a leaf

Answer 21

Shoot

Axil

Question 22

Flowers have ___ and ___

And describe the colours

Answer 22

Sepals - green , protects bud of flower as it grows

Petals- clouded and delicate structure that attracts pollinators by color scent and nectar

Question 23

Incomplete flowers are missing one or more of the four main parts of a flower which are…

Answer 23

Sepals
Petals
Stamen
Pistil

Question 24

Flowers ~ androecium are comprised of one or more whorls of ___

Answer 24

Stamen

Question 25

Flowers~ Androecium produces microspores in stamen which undergo meiosis to Produce ___ which covers the ___

Answer 25

Pollen | Anthers

Question 26

Make sure to study the parts of the flower

Answer 26

B

Question 27

Flowers ~ I Gynoecium are comprised of one or more ___

Answer 27

Pistil

Question 28

Flowers ~ pistils are made up on the ___ and ____

Answer 28

Stigma and style

Question 29

Flowers~ The stigma is the ___

Answer 29

Sticky tip

Question 30

Flowers~ double fertilization occurs in ____

Answer 30

Angiosperms

Question 31

Flowers~ endosperms are the highly ____ tissue that provides food for embryo

Answer 31

Nutritive

Question 32

Flowers ~ seeds are often ____ by _____ in angiosperms

Answer 32

Enclosed by fruits

Question 33

Give examples of Monocot and dicots

Answer 33

Monocots- grasses, tulips, lillies | Dicot- maple, oak, elm

Question 34

Monocots and dicot leaf veins are

Answer 34

Monocots- parallel | Dicot- networked

Question 35

of cotyledon in monocot and dicot is

Answer 35

Monocot- one, single | Dicot- two, double

Question 36

What are the vascular tissue of Monocot and dicot

Answer 36

Monocot - bundles | Dicot- rings

Question 37

Monocot and dicot roots are ___

Answer 37

Monocot- fibrous | Dicot- taproots

Question 38

Monocot and dicot t roots have __% of angiosperms

Answer 38

Monocot- 23% | Dicot - 75%

Question 39

Why are angiosperms more successful than gymnosperms in land environment (4)

Answer 39

* seed more protected * herbaceous soft tissue bake to drive 1 to a few years * xylem cells more efficient * not reliant upon wind

Question 40

Flowers- ecological importance include

Answer 40

Food and habitat for wild life | Soil retention

Question 41

Stolin= Pistil= Vocab: female / male

Answer 41

``` Stolin= male Pistil= female ```

Question 42

Angiosperms are ____

Answer 42

Flowers

Question 43

Kingdom plantae consists of (5)

Answer 43

Green algae, mosses, ferns, gymnosperms, angiosperms

Question 44

Seed coat forms around zygote to aid in ____

Answer 44

Dispersal

Question 45

The anther is the ___ part and it produces ____

Answer 45

Male part, produces pollen

Question 46

The stamen is the female or male part

Answer 46

Male

Question 47

The stamen includes the

Answer 47

Anther and filament

Question 48

Anther produces __

Answer 48

Pollen

Question 49

The pistil is made outta ___ (3)

Answer 49

Stigma, style, ovary

Question 50

The ovary will ripen into a ___

Answer 50

Fruit

Question 51

Androcium is the ___ of the flower

Answer 51

Stamen