Science Ch 2

Question 1

using and releasing of energy in a cell

Answer 1

respiration

Question 2

Pores on the bottom of leaves that open and close to let in air or give off water vapor.

Answer 2

stomata

Question 3

A structure that contains egg cells.

Answer 3

ovary

Question 4

The sprouting of a seed into a new plant.

Answer 4

germination

Question 5

A plants release of excess water vapor though the stomata on the underside of the leaves

Answer 5

transpiration

Question 6

The cells in a seedless plant that grows into new organisms.

Answer 6

spore

Question 7

one of the threadlike cells on a root that take in water and minerals from the soil.

Answer 7

root hairs

Question 8

The transfer of a flowers pollen from the anther to pistil.

Answer 8

pollination

Question 9

An undeveloped plant with stored food sealed in a protective covering.

Answer 9

The seed

Question 10

The process in plants that uses energy from sunlight to make food from water & carbon dioxide.

Answer 10

photosynthesis

Question 11

The joining of a female sex cell, and the egg,and the male sex cell,the sperm,to produce a fertilized egg.

Answer 11

fertilization

Question 12

The outermost protective layer of the leaf.

Answer 12

epidermis

Question 13

A green substance in plants that helps make food by trapping the sun’s energy.

Answer 13

chlorphyll

Question 14

what is the main food - making part of a plant?

Answer 14

The leaves

Question 14

what do cactus plants and evergreen trees have in common when it comes to water

Answer 14

they find and store water and can live with little water

Question 15

How do seeds travel

Answer 15

1. animals can move seeds
2. wind and water can carry it
3. insects can move seeds
4. some plants explode and scatter there own seeds

Question 16

what are all the things that plants need to make food

Answer 16

1. carbon dioxide
2. sunlight
3. water

Question 17

tell me how plants are different from animals

Answer 17

plants can make their own food

Question 18

what part of a seed grows first

Answer 18

The roots

Question 19

in what order do plants reproduce

Answer 19

1. pollination
2. fertilization
3. seed develops
4. plant develops

Question 20

what happens to a tree when the leaves turn colors and falls off

Answer 20

dormant

Question 21

how is evergreen trees different from other trees

Answer 21

1. they keep their needles a long time
2. the needles are coated with wax
3. so they keep water for the plant

Question 22

what part of the day does photosynthesis happen? why does it have to be at this time of day?

Answer 22

day time - because the plant needs sunlight to produce and grow