Unit 2 Lesson 3

Question 1

Plant Life Cycle

Answer 1

2 stages:
Sporophyte - plants make spores that are genetically identical to the parent
Gametophyte - plants produce gametes (egg and sperm)

Question 2

Producers

Answer 2

Make their own food by using energy from the surroundings

Question 3

Photosynthesis

Answer 3

The process by which plants and other organisms convert solar energy to chemical energy

Sunlight + H2O + CO2 ————-sugar + O2

Question 4

Chlorophyll

Answer 4

The green pigment found in chloroplasts that capture energy from sunlight

Question 5

Vascular System

Answer 5

A system of tube-like tissues that transport water, nutrients, and other materials from one part of an organism to another

Question 6

Seed

Answer 6

A plant embryo enclosed in a protective coating

Question 7

Pollen

Answer 7

Tiny structure in which sperm forms

Question 8

Gymnosperms

Answer 8

Plants that produce seeds that are not enclosed in a fruit
Examples: conifers, cycads, and ginkgoes

Question 9

Angiosperms

Answer 9

Vascular plants that produce flowers and fruits which surround and protect seeds

The most common type of plant today

Flowers are the reproductive structures of angiosperms
—-male structure is a stamen
—-female structure is a pistil