part4 chapter 20-23---23

Question 1

Vascular tissues

Answer 1

–Moving materials through plants

2 types
1.xylem( good for moving water)
2.pholam( good for carrying food)

Question 2

Transpiration

Answer 2

–How plants get water moving through their xylem
–Evaporation from the leaves, which creates suction. This will bring new water through the plant
–This help gain water
–If they drink to hard they can collapse its xylem witch the tree dies

Question 3

Translocation

Answer 3

–Move food through the phloem
–starts at the source where sugar comes from
–Has soft cell wall tubes - tube cells
–Sink= where the sugar is going through the tube cell
–if you keep cramping sugar through the tube cell then and pulled at the end then the sugar will tend to flow through the tube

Question 4

Roots

Answer 4

–Help to get water/ help to absorb water
–Roots are stringy for surface area
–Help to hold the plant in the ground
–Some plants roots have another function - of food storage

Question 5

stems

Answer 5

–Connected the leaves and roots
–To hold up the leaves and flowers in the air
–Can transfer things between the roots and leaves
–Some times can be modified to protected
–P.s protatosts are modified steams

Question 6

Leaves

Answer 6

–the main purpose is photosynthesis
–Some leaves have other functions
–Onions have a stem and roots but the layers of the onion (the pare you eat) are leaves - and onions are a foods supplies for others
–Rock plant - have very thick leaves because to hold water
–Cactus leaves- are the pointy things that hurt - they reflect light and protect ( this plant can get sunburn)