Con:FlowersLEC26

Question 1

Angiosperms are divided into what 2 main group?

Answer 1

monocots & dicots

Question 2

What is the characteristics of monocots?

Ex. orchids, palms, barley, lilies

Answer 2

1 cotyledon
parallel veins
no main root

Question 3

What is the characteristics of dicots?

Ex. roses, poppies, oaks, peas, zucchinies

Answer 3

2 cotyledons
netlike veins
taproot

Question 4

What are the parts of the stamens?

Answer 4

anther(produce pollen)

filament

Question 5

What are the parts of the carpels?

Answer 5

stigma
style
ovary

Question 6

How are seeds dispersed?

Answer 6

by wind, animal droppings, & hitchhiking on animals

Question 7

Angiosperms originated how many years ago?

Answer 7

at least 140 mya, but much later than that. they originated about the same time mammals started dominate the planet.
Co-evolutionary spiral.

Question 8

What are the most important ecological links on Earth?

Answer 8

pollination & seed dispersal by animal

Question 9

What are examples of unusual pollination?

Answer 9

・orchid mimicing a female bee
・€amorphophallus made from clusters of little flowers
・€rafflesia attracting flies from its stink

Question 10

T or F. Seed plants are the most important to human survival & medicine.

Answer 10

TRUE

Question 11

What is causing extinction of many plants & animals they support?

Answer 11

habitat destruction

Question 12

How many acres of rainforest are we losing?

Answer 12

90 acres per minute

Question 13

At this rate, half of Earth’s species will become extinct within how many years?

Answer 13

the next 100-200 years

Question 14

T or F. Plants have organs & tissues.

Answer 14

TRUE

Question 15

What important functions does roots have?

Answer 15

anchoring the plant
absorbing minerals & water
storing nutrients

Question 16

In most plants, the absorption of water & minerals occurs where?
Ex. baby radish

Answer 16

near root hairs

Question 17

What are examples of roots?

Answer 17

propstorage
“strangling” aerial
buttress
pneumatophores

Question 18

What are examples of modified stems?

Answer 18

rhizomes
bulbs
stolon
tubers

Question 19

What is the main photosynthetic organ of most vascular plants?

Answer 19

the leaf

Question 20

What are the parts of the leaf?

Answer 20

blade

petiole

Question 21

What are the 3 types of leaf?

Answer 21

simple, compound, & doubly compound

Question 22

What are examples of modified leaves?

Answer 22

tendrils
spines
storage leaves
reproductive leaves
bracts

Question 23

What is indeterminate growth?

Answer 23

when a plant can grow throughout its life

Question 24

What is determinate growth?

Answer 24

when some plant organs cease to grow at a certain size

Question 25

What are annuals?

Answer 25

plants that complete their life cycle in a year or less

Question 26

What are biennials?

Answer 26

plants that require 2 growing seasons

Question 27

What are perennials?

Answer 27

plants that live for many years

Question 28

Where is an apical bud located?

Answer 28

near the shoot tip, causes elongation of a young shoot

Question 29

what is an axillary bud?

Answer 29

a structure that can form a lateral shoot or branch

Question 30

what does the apical dominance do?

Answer 30

helps maintain dormancy in most nonapical buds

Question 31

what covers the root tip & what does it do?

Answer 31

a root cap, protects the apical meristem as the root pushes through soil

Question 32

what are the 3 zones of cells that causes growth behind the root tip?

Answer 32

zone of cell division, elongation, & maturation

Question 33

what are parts of the root?

Answer 33

epidermis
cortex
vascular cylinder