Angiosperms

Question 1

Phyla Anthophyta

Answer 1

youngest group, most recently evolved
flowers: allow for direct pollination; allure w sugars
fruits: allow for seed distribution (any body that has seeds)

Question 2

2 organ systems of angiosperms

Answer 2

shoots and roots

Question 3

roots in angiosperms

Answer 3

anchorage and absorption; not all roots absorb water, only young roots
older roots grow bark; anchor

Question 4

Germination

Answer 4

protrusion of baby roots (radicals) out of seed coat

Question 5

Emergence

Answer 5

when root stems out of ground

Question 6

Tap root systems

Answer 6

have primary and lateral root
primary: lengthens (main tap root that goes into ground)
lateral: widens (little ones that branch off)

Question 7

Apical meristem

Answer 7

sight of mitosis on tips of roots and stem; Produces stems, leaves, and reproductive structures throughout the plant’s li

Question 8

Root hairs

Answer 8

epidermal extensions of single cells
- increase surface area
-extra water and mineral absorption

Question 9

Shoot organs

Answer 9

stems and leaves
responsible for photosynthesis (via leaves), supporting the plant structure (via stems

Question 10

Terminal bud

Answer 10

enclose apical mitotic tip on stem; primary growth

Question 11

Node

Answer 11

where bud and leaf are located

Question 12

Bud

Answer 12

future branches - share anatomy with main stem
always occur right above leafs

Question 13

Internode

Answer 13

stem area between nodes

Question 14

cotyledon

Answer 14

the first part of an angiosperm, or flowering plant, to emerge from a seed and provide nutrients to the embryo (NOT leafs)

Question 15

Leafs

Answer 15

primary photosynthetic structure

Question 16

Petiole and Blades

Answer 16

petiole is the “stem” of the leaf

Question 17

why are angiosperms the only vascular plant that can be either monocot or dicot

Answer 17

these classifications only apply to flowering plants (angiosperms) and not other vascular plants like gymnosperms

Question 18

Monocot

Answer 18

1 cotyledon when planted

Question 19

Dicot

Answer 19

2 cotyledons

Question 20

Dicot root

Answer 20

star shaped center
little surrounding cells = phloem
big cells in center = xylem

Question 21

Monocot root

Answer 21

ring shaped center

Question 22

Dicot leaves

Answer 22

net patterns

Question 23

Monocot leaves

Answer 23

parallel patterns

Question 24

Dicot floral parts

Answer 24

4 or 5

Question 25

Monocot floral part

Answer 25

multiples of 3's

Question 26

Flower Inflorescenes

Answer 26

cluster of flowers

Question 27

Perfect Flower

Answer 27

both male and female layers

Question 28

Imperfect Flower

Answer 28

only one sex

Question 29

Stamen

Answer 29

male layer ( anther makes pollen/sperm ; filament supports)

Question 30

Pistil

Answer 30

female layer (ovary = egg, style holds @right distance)

Question 31

Male layer of flower

Answer 31

stamen; androecium

Question 32

female layer of flower

Answer 32

pistol; gynoecium

Question 33

Complete flowers

Answer 33

contain all 4 layers: petals, sepals, stamen, pistil

Question 34

monoecious

Answer 34

plant has seperate boy and girl flowers on same plant

Question 35

diecious

Answer 35

2 different plants for each sex

Question 36

gardening plants

Answer 36

monoecious

Question 37

hollys/willows

Answer 37

diecious

Question 38

Fruit anatomy hard throughout: soft throughout: hard outside:

Answer 38

Hard throughout: nut Soft throughout: berry hard outside: drupes or stone