Section 22-5

Question 1

angiosperms are members of the phylum

Answer 1

anthophyta

Question 2

angiosperms have unique reproductive organs known as

Answer 2

flowres

Question 3

during which geologic period did flowering plants first appear

Answer 3

during the cretaceous period 125 million years ago

Question 4

in flowering plants the seed is encased in an

Answer 4

ovary

Question 5

what is a fruit

Answer 5

a wall of tissue that surrounds a seed

Question 6

why is using a fruit to attract animals one of the reasons for the success of flowering

Answer 6

when an animal eats a fruit seeds from the core of the fruit enter the animals digestive system when it leaves the system it is ready to sprout. by then the animal has traveled far so by using the fruit to attract it increases the ranges of the plant

Question 7

the seed leaves of plant embryos are called

Answer 7

catyledons

Question 8

monocotyledonae

Answer 8

monocats
number of leaves - one
corn, wheat, lilies, orchids and palms

Question 9

dicotyledone

Answer 9

dicots
2 leaves
roses, clover, tomatos, oaks and daiseys

Question 10

characteristic of dicots

Answer 10

floral parts in the multiples of 4 or 5
roots include taproot

Question 11

rose shurbs - woody
oaks - woody
tomato plants - herbaceous
sunflowers - herbaceous
grape vines - woody
dandelions - herbaceous

Question 12

woody plants are made primarily of what kind of cells

Answer 12

cells with hick cell walls tghat support the plant boduy

Question 13

what characteristics do the stems of herbaceous plants have

Answer 13

plant stems are smooth and non woody

Question 14

annuals

Answer 14

flowering plants that complete a life cycle within one growing season
garden plants such as marigolds, wheat and petunias

Question 15

biennials

Answer 15

angiosperms that complete their life cycle in two years
primerose, parsely and celery

Question 16

perennials

Answer 16

flowering plants that live for more than 2 years
peonies, asparagus, palm trees