EXAM 3

Question 1

What is a flower

Answer 1

the reproductive organ of an angiosperm

Question 2

What is a fruit

Answer 2

a mature or ripened ovary of a flower along with its contents and any adhering structures

Question 3

What is the receptacle

Answer 3

region where floral parts are attached

Question 4

What is the sepal

Answer 4

outermost whorl floral parts that may be leaf-like or resemble petals, protects inner part of flower from physical damage and desiccation before it opens

Question 5

What are the petals

Answer 5

variable in size, shape, colour, odor, attachment, symmetry

Question 6

What is the stamen

Answer 6

includes the anther (contains pollen) and filament (stalk that holds up anther)

Question 7

What is the pistil

Answer 7

Includes the ovary, stigma and style -pollen lands on stigma and germinates and the pollen tube grows through style to reach the ovule for fertilization. After fertilization the ovule develops into the seed

Question 8

Why were flowers produced

Answer 8

to make the seeds less susceptible to biotic and abiotic stresses