Plants

Question 1

Auxin

Answer 1

Plant hormone that is responsible for a plants sense of direction.

Question 2

Tropism

Answer 2

Movement towards/ away from a stimulus

Question 3

Phototropism

Answer 3

The stimulus is light

Question 4

Gravitropism

Answer 4

The stimulus is gravity

Question 5

Thermotropism

Answer 5

The stimulus is temperature

Question 6

Thigmotropism

Answer 6

The stimulus is touch

Question 7

Hydrotropism

Answer 7

The stimulus is water

Question 8

Chemotropism

Answer 8

The stimulus is chemicals.

Question 9

Circadian rhythms

Answer 9

A plants idea of daylight cycles

Question 10

Phenology

Answer 10

A plants idea of seasonal changes

Question 11

Plants sense:

Answer 11

Presence of light, the direction of light, amount of light, angle of light, duration of light.

Question 12

Physical Defense

Answer 12

physically deters herbivores. Ex) bark or thorns of spikes

Question 13

Chemical Defense

Answer 13

Chemically deter herbivores. They smell/taste bad. -> deadly poisons. They can also mimic insect growth hormones. That can prevent the movement to the next stage of life or prevent reproduction.

Question 14

Xylem

Answer 14

Roots-> leaves
Water
Because of negative pressure from the constant evaporation of water out the stomata.
Transpiration

Question 15

Phloem

Answer 15

Leaves-> Roots
Sugars
Translocation

Question 16

Vascular Plants

Answer 16

Plants who can move water and sugars around the plant

Question 17

Dermal Tissue

Answer 17

Protective outer layer and prevents water loss

Epidermis

Question 18

Vascular Tissue

Answer 18

Conductive Tissue

Xylem and Phloem

Question 19

Ground Tissue

Answer 19

Storage of leftovers

Question 20

Primary Growth

Answer 20

A plant who sprouts from a seed develops tissue then stops growing. Annuals

Question 21

Herbaceous

Answer 21

Die after one season

Question 22

Secondary Growth

Answer 22

Sprouts from a seed develops tissue then grows additional woody tissues

Question 23

Leaf has:

Answer 23

Cuticle, waxy layer to prevent water loss, on the top, and trichomes, little hairs to prevent insects. Lower and upper epidermis. Vertically aligned Palisade cells on top Palisade Mesophyll. Spongy Mesophyll on the bottom lots of air. Fairly round. Stomata on the bottom with guard cells.