Flowers Module 7

Question 1

Flower functions

Answer 1

the sexual reproducing part of the plant
the part of the plant that will produce the seeds of the next gen

Question 2

sexual vs vegetative reproduction

Answer 2

all flowering plants produce seed (sexual reproduction) - genetically different
some plants also reproduce vegetatively (asexual reproduction) - genetically identical

Question 3

Main flower parts (5)

Answer 3

pistils - female reproductive part
stamens - male reproductive part
petals - pollinator attractants
sepals - protective parts
receptacle - where the flowers joins the stalk (always present)

Question 4

complete vs incomplete flowers

Answer 4

complete has all 5 parts of a flower (perfect)
incomplete is missing something but always have the receptacle (imperfect)

Question 5

Grass flower

Answer 5

they are complicated, small, and generally unattractive (no pollinators needed)
usually wind or self pollinated

Question 6

What is a typical dicot flower made up of? (7)

Answer 6

sepals
petals
perianth
tepals
stamens
pollen
pistil

Question 7

Sepals

Answer 7

collectively called the calyx
outermost portion of the flower
usually green and leaf like
it functions to ps, protection for new flower, and sometimes attract pollinators

Question 8

Petals

Answer 8

collective called the corolla
usually coloured
next portion inwards
variable in size and shape depending on the species
function is to attract pollinators

Question 9

Perianth

Answer 9

collective term for petals and sepals

Question 10

tepals

Answer 10

when the sepals and the petals morphologically are the same

Question 11

stamens

Answer 11

stamens are the male reproducing part of the flower
composed of two parts - anthers and filament

Question 12

Pollen

Answer 12

pollen size, shape, and sculpturing varies with species
under a microscope you can use pollen to ID a plant
pollen a major issue for allergies
dicot