unit B section 1

Question 1

the function/structure of a steam

Answer 1

transport water and nutrients are transported between the leaves and the roots. support Stems support the leaves and ensure the leaves receive adequate light. food storage The food produced in the leaves is stored in the stem.

Question 2

the function/structure of a leaf

Answer 2

produce food for the plant by collecting enery from the sun and changing it to chemical energy (food). take in and oxygen release and dioxide water enters and leaves the cells of the leaves through guards cells
(stoma/stomata)

Question 3

the function/structure of a seed

Answer 3

Seeds contain an an embryo that will form a new plant. They also contain a food supply for the embryo.

Question 4

the function of a cone/flower

Answer 4

Both cones and flowers have male and female parts for reproduction.

Question 5

osmosis

Answer 5

Water from the soil enters root cells by a process called osmosis When the concentration of water in the soil is greater than the concentration of the water in the root water moves into the root cells.

Question 6

diffusion

Answer 6

diffusion happens when there is a difference in concentration. Particles move from an area of high concentration to low concentration. Ex - food colouring in water or perfume in a room

Question 7

capillary action

Answer 7

Another process that helps water move up through a plant is called capillary ation.

Water particles are attrachated to each other and to the sides of the tubes in the roots and stems.This attraction causes water particles to ¨stick” together and move up inside the plant, moving against gravity.

Question 8

transpertion

Answer 8

Water particles evaporate from the surface of the leaves and more water particles move up within the plant to take their place.

The loss of water through evaporation is called transpertion

Question 9

photosynthesis

Answer 9

The energy of the sun is trapped in the leaves and changed into chemical energy. Carbon dioxide and water are used by the leaves in the process called photosynthesis , to make sugar and give off oxygen.

Question 10

cellalar respartion

Answer 10

During cellular respiration, plants realse carbon dioxide and let oxygen into their cells.

Question 11

seedling stage

Answer 11

Growth is very fast producing new leaves, roots steams and their own food. Still need nutrients from the soil.

Question 12

adult stage

Answer 12

A plant is an adult when it produces reprodutive structures (flower or cone).

Question 13

ovary

Answer 13

is the female part of the flower

Question 14

stigma

Answer 14

is the male part of the flower and where the flower is deposited

Question 15

nectar

Answer 15

the nectar is what attracks the pollenators