Responses

Question 1

Tropism

Answer 1

Directional growth response to a stimuli

Question 2

Nastic Response

Answer 2

A response to a stimulus which is independent of the direction of the stimulus

Question 3

Taxes

Answer 3

Movement of a whole organism towards/away from a stimulus coming from one direction

Question 4

Kinesis

Answer 4

Rate of movement in an animal is affected by the intensity of the stimulus

Question 5

Photo

Answer 5

Response to light

Question 6

Geo

Answer 6

Response to land/gravity

Question 7

Thermo

Answer 7

Response to temperature

Question 8

Thigmo

Answer 8

Response to touch/contact

Question 9

Hydro

Answer 9

Response to water

Question 10

Chemo

Answer 10

Response to chemicals

Question 11

Rheo

Answer 11

Response to water current

Question 12

Niche

Answer 12

Combination of habitat, adaptations and and organisms role

Question 13

Auxin + Example

Answer 13

Hormone that elongates cells example: towards light and ground in a plant

Question 14

Photoperiodism

Answer 14

regulation of seasonal activity by day length or photoperiod (amount of light)

Question 15

Long Day Plants

Answer 15

Requires Pfr to flower, short nights are needed to ensure there is some Pfr left over

Question 16

Short Day Plants

Answer 16

Requires Pr to flower, long nights are needed to ensure enough Pfr is converted to Pr

Question 17

Day Neutral Plants

Answer 17

Not affected by day length, may be affected by temperature

Question 18

Phytochrome

Answer 18

A pigment which permeates flowering, germination and growth in plants

Question 19

Pr(phytochrome red)

Answer 19

absorbs red light only, 660nm

Question 20

Pfr(phytochrome far red)

Answer 20

absorbs far red light only, 725nm