ch.2 lesson 3

Question 1

a thin covering made up of cells, it protects the root tip as it grows into the soil

Answer 1

root cap

Question 2

threadlike parts of a cells on the surface of a root

Answer 2

root hair

Question 3

the outermost layer of a root, stem, or leaf

Answer 3

epidermis

Question 4

a layer just inside the epidermis of roots and stems, it stores food

Answer 4

cortex

Question 5

tissue throughout which water and minerals flow up through the plant

Answer 5

xylem

Question 6

tissue through which food from the leaves moves down through a plant

Answer 6

phloem

Question 7

a layer that separates the xylem from the phloem, the cambium is where new xylem and phloem are produced

Answer 7

cambium

Question 8

when water evaporates from the leaves, more water moves up through the plant to replace the lost water

Answer 8

transpiration

Question 9

a food making process

Answer 9

photosynthesis

Question 10

when sugar breaks apart it releases energy that the plant uses

Answer 10

respiration

Question 11

anything in the environment

Answer 11

response

Question 12

anything in the environment light, heat, gravity, and more that produces such a respone

Answer 12

stimulus

Question 13

scientists call this kind of a response

Answer 13

tropism

Question 14

getting used to an environment

Answer 14

adaptation