CH. 1 The Flowering Seed Plants
暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。
卡片预览 (24 张)
The study of living things
Biology
Explain the origin of the word biology.
The word comes from the Greek root bios, which means “life,” and the Greek suffix -logy, which means “science of” or “study of.”
A term for living things
organisms
Regions where particular organisms normally live
habitats
What are the three major fields of biology?
Botany, zoology, and human anatomy and physiology.
Name three reasons why the study of botany is important.
• The study of botany is important to man, for all the food eaten by man comes directly or indirectly from green plants. • Because plants are the ultimate source of man’s food, botany is related to the science of agriculture. • Botany is also important because many drugs and antibiotics used in medicine are derived from plants.
The study of plants
botany
The study of animals
zoology
The study of the physical structure
anatomy
What are trees and shrubs classified as?
woody plants
A plant with a single tall, woody stem that can stand erect with out support.
tree
A plant that has several low, woody stems near the ground and can stand erect without support.
shrub
Nonwoody plants
herbaceous plant
Root system in which the primary root grows straight down and re-mains larger than the secondary roots that branch off from it, penetrating the soil with relatively little branching
taproot system
Type of root system in which the primary root remains small and many slender secondary roots grow from it in all directions
fibrous root system
Plants whose flowers produce seeds covered by fruit.
angiosperms
One of the largest families of angiosperms.
composite family, also called the sun-flower family
A cluster of many separate flowers referred to as a ________________
head
The flowers in the center of the head are called ________________
disk flowers
Arranged around the disk flowers are the showy _________________
ray flowers
One of the best known and most beautiful composite flowers.
daisy
Family of plants that has square stems and whose members are often very aromatic.
mint family
One of the largest families of flowering plants.
pea family
A rapidly growing vine that was imported from China and Japan to the southern United States.
kudzu