unit B:plants for food and fibre

Question 1

what is a living resource

Answer 1

living things that can be used for human needs

Question 2

what is sustainability

Answer 2

using resources in a way that they can be used in the future

Question 3

what are ways that is unsustainable

Answer 3

killing bison for sport and clear cutting without replanting

Question 4

what is food

Answer 4

we eat plants all the time and they are important for a healthy diet

Question 5

what is fibre

Answer 5

fibre can be used to make cloth and paper

Question 6

what else can be used for

Answer 6

glue and rubber

Question 7

the plant role of oxygen

Answer 7

plants take in carbon dioxide and produces oxygen for other living organisms to use

Question 8

the plant role of shelter

Answer 8

animals and humans use shelter

Question 9

plants role food

Answer 9

many animals eat plants but even those that dont get energy from animals do

Question 10

plants role erosion control

Answer 10

roots hold soil together to prevent erosion

Question 11

what is stamen

Answer 11

male part of the flower that produces pollen

Question 12

what is ovary

Answer 12

the female part of the flower that contains an ovule(grows into a seed when pollinating.)

Question 13

What is pollination

Answer 13

process where pollinators (like bees)move pollen from the stamen to the ovary

Question 14

what is vegetative reproduction

Answer 14

reproduction of plants that doesn’t involve seeds

Question 15

What is transpiration

Answer 15

Evaporation of water from the surface plant.

Question 16

what is capillary action

Answer 16

water attracts its self and moves up the stem

Question 17

what is osmosis

Answer 17

water from the soil enters the roots (where there is less water)

Question 18

what is chloroplasts

Answer 18

structure in a leaf where photosynthesis occurs

Question 19

what is the formula for photosynthesis

Answer 19

water+carbon dioxide+energy=sugar+oxygen

Question 20

what is the formula for celluar respiration

Answer 20

food+oxygen=water+carbon dioxide+energy

Question 21

What is light

Answer 21

all plants need light,some more or some less

Question 22

What is water

Answer 22

all plants need but some can die from to much water

Question 23

what is nutrients

Answer 23

substances that provide the energy and materials that plants need to grow.

Question 24

what is space

Answer 24

some plants need more space than others

Question 25

why would a cactus need a thick stem

Answer 25

to store water for photosynthesis.

Question 26

why would a sunflower need big leaves

Answer 26

they need it to get a lot of sunlight for photosynthesis

Question 27

why do plants produce sweet tasting foods

Answer 27

it makes it look more appetizing for a bird or deer to eat to spread its seeds

Question 28

what does fertilizer provide plants with

Answer 28

nutriense

Question 29

what are pores

Answer 29

tiny openings in a membrane that only allow some substances to pass through

Question 30

what is concentration

Answer 30

the amount of something in a solution.

Question 31

what is diffusion

Answer 31

the movement of particles from an area of high concentration to an area of low concentration.

Question 33

how is diffusion used in a plant

Answer 33

it allows carbon dioxide to move into plant cells and oxygen to move out of plants cells.