Flowers

Question 1

Whats the Phylogeny of flowering plants?

Answer 1

Angiosperms

Question 2

What are the 4 parts (whorls) of a flower?

Answer 2

Petals, Sepal, Pistols(carpals), Stamens

Question 3

What is the function of petals on a flower?

Answer 3

Attract pollinators

Question 4

What is the function of the sepal of a flower

Answer 4

Protect the flower bud

Question 5

What is the function of the stamens of a flower?

Answer 5

male reproductive structures

Question 6

What is the function of the pistols (carpals) of a flower?

Answer 6

female reproductive structures

Question 7

What does it mean when a flower is complete?

Answer 7

it’s a flower with all 4 parts (Whorls)

Question 8

What does it mean when a flower is incomplete?

Answer 8

the flower is missing at least 1 part (whorl)

Question 9

What does it mean when a flower is perfect?

Answer 9

the flower has both stamens and pistols (carpals)

Question 10

What does it mean when a flower is imperfect?

Answer 10

the flower is missing either a stamen or a pistol

Question 11

Can a flower be incomplete but perfect

Answer 11

Yes as long as the missing part (whorl) of the flower is not a stamen or pistol (carpal)

Question 12

What are the two types of imperfect flowers?

Answer 12

Monoecious and Dioecious

Question 13

What does monoecious mean?

Answer 13

Flowers with pistols (carpals) and flowers with stamens on the same plant

Question 14

What does Dioecious mean?

Answer 14

Flowers with pistols (carpals) and flowers with stamens on different plants

Question 15

What are the two different types of symmetry a flower can have

Answer 15

radial (actinomorphic) and bilateral (zygomorphic)

Question 16

What is inflorescence

Answer 16

The cluster of flowers on a branch

Question 17

What are the different types of inflorescence?

Answer 17

Panicle, Spike, Raceme, Corymb, simple umbel, compound umbel, head, and catkin

Question 18

What is a composite flower?

Answer 18

A head of flowers, disk and ray flowers, family asteraceae

Question 19

In composite flowers what is the inner flower called?

Answer 19

disk flower

Question 20

in composite flowers what is the outer flower called?

Answer 20

ray flower

Question 21

What parts are in the stamen?

Answer 21

Anthers and filaments

Question 22

What do Anthers do?

Answer 22

they contain the pollen sac

Question 23

What are pollen sacs?

Answer 23

they produce the male gametophyte (pollen) which produce sperm

Question 24

What are the parts of a pistol (carpal)

Answer 24

Stigma, style, ovary

Question 25

What does the stigma do?

Answer 25

gathers pollen

Question 26

What does the style do?

Answer 26

Channel to ovary from stigma

Question 27

What does the ovary do?

Answer 27

contains the ovule which contain female gametophyte (eggs)

Question 28

What is pollination

Answer 28

Pollen from anther is transferred to stigma

Question 29

What are the different types of pollination?

Answer 29

Wind, Water, and vector

Question 30

How do most pollinators pollinate

Answer 30

accidentally, pollen sticks to hair, fur, feathers and scales

Question 31

What are some pollinators?

Answer 31

Butterflies, bats, bees, moths, wasps, beetles, flies, birds

Question 32

What happens after pollination?

Answer 32

The pollen tube grows to the ovule and sperm fertilizes egg

Question 33

What is double fertilization?

Answer 33

1 Sperm cell fertilize egg cell that becomes the embryo.

2 sperm cells fuse with two nuclei to form endosperm

Question 34

What happens after fertilization?

Answer 34

fruit develops from ovary wall, seed develops from ovule