lesson 10- control systems in plants

Question 1

one of the characteristics of living things?

Answer 1

ability to respond to stimuli (e.g. smell of pizza makes you move towards it)

Question 2

what do plants need in order for photosynthesis to occur?

Answer 2

1. light
2. water
3. carbon dioxide

Question 3

phototropism

Answer 3

growth in response to light

Question 4

does a stem have positive or negative phototropism?

Answer 4

positive phototropism

Question 5

do roots have positive or negative phototropism?

Answer 5

negative, because they grow away from the light

Question 6

gravitropism

Answer 6

plants growing in response to gravity

Question 7

stem grow against gravitational force so they exhibit…

Answer 7

negative gravitropism

Question 8

roots grow with gravitational force, so they exhibit…

Answer 8

positive gravitropism

Question 9

where do heavy starch particles usually sit?

Answer 9

the lowest part of the roots

Question 10

what is one of the things plants respond to?

Answer 10

touch

Question 11

area of elongation

Answer 11

area where response of bending was carried out