plants

Question 1

respond to environmental changes by changing their direction of growth by moving individual plants

Answer 1

plants

Question 2

process by which plants grow in a certain direction in reponse to a stimulus

Answer 2

tropism

Question 3

growth toward the stimulus

Answer 3

positive tropism

Question 4

growth away from the stimulus

Answer 4

negative tropism

Question 5

when plants respond to a light source

Answer 5

phototropism

Question 6

in response to the tracking of the sun’s direction

Answer 6

heliotropism

Question 7

responsible for making the plants roots grow deeper into the soil

Answer 7

gravitropism or geotropism

Question 8

root tips grown donwward

Answer 8

positive gravitropic

Question 9

plant shoots grow upward

Answer 9

negative gravitropic

Question 10

reaction to chemicals

Answer 10

chemotropism

Question 11

response of plants to changes in temperature or heat

Answer 11

thermotropism

Question 12

plants response to touch or any contact stimuli

Answer 12

thigmotropism

Question 13

slight movemnts of plants

Answer 13

nastic movements

Question 14

movement of the plant in response to contact

Answer 14

thigmonasty

Question 15

innate biological clock

Answer 15

circadian rhythm

Question 16

used to detect the season for the flowing, seed germination, and the onset and ending of their dormancy

Answer 16

photoperiodism