9.2

Question 1

helps maintain the structure of the tube and allows sap to pass

Answer 1

sieve plate

Question 2

the pressure exerted by a fluid and is maintained by different solute concentrations in liquid and surrounding space

Answer 2

hydrostatic pressure

Question 3

proteins that use the gradient of ions to move molecules. it’s a secondary active transport

Answer 3

co-transporters

Question 4

small sap-feeding animals

Answer 4

aphids

Question 5

fusion of male gametes (pollen) with female gametes (ovule)

Answer 5

fertilization

Question 6

transfer of pollen from the anther to the stigma

Answer 6

pollination

Question 7

process where seeds are dispersed in nature where they germinate and grow

Answer 7

seed dispersal

Question 8

they flower in winter

Answer 8

short day plants

Question 9

they flower in summer

Answer 9

long day plants

Question 10

Pr becomes pfr after…

Answer 10

red light absorpition

Question 11

Pfr becomes pr after…

Answer 11

far red light aborption

Question 12

How does winter flowering work

Answer 12

pfr inhibits flowering thus the longer the night the lowest pfr which causes it to flower

Question 13

How does summer flowering work

Answer 13

Pfr triggers flowering, this a shorter night leads to the change of pfr to pr and the accumulation of pr causes it to flowe.

Question 14

animal pollinates flower feeds on nectar from the plant and transfers pollen to another plant

Answer 14

example of a mutuallistic relationship