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Chapter 1
Flowering Seed Plants
| Term | Definition |
|---|---|
| biology | the study of living things |
| organism | living things |
| habitat | regions where particular organisms normally live |
| botany | the study of plants |
| zoology | the study of animals |
| woody plants | live several years and develop a large amount of wood, such as trees and shrubs |
| herbaceous plants | plants with stems that remain relatively soft |
| angiosperm | flowering seed plants, flowers produce seeds covered by fruit |
| legume | pea family, fruit takes the form of a pod |
| nitrogen-fixing bacteria | grows on roots of legumes, converts nitrogen from ammonia into nitrates, plant absorbs these nitrates through its roots to convert to proteins |
| nitrifying bacteria | provides nitrates to soil from decomposing plants and animals |
| dicot | having two cotyledons per seed |
| monocot | having only one cotyledon per seed |
| cereals | developed by man from grasses to form high-yielding crops such as wheat, barley, rye, and oats |
| forage grasses | grasses man and animals depend on for food |
| turf grasses | grasses used as coverings for lawns and athletic fields |
| stolon | creeping stem that grows above the ground |
| sheath | wrap partially covering the stem of grass plants |
| hardwood | broadleaf trees that have dense, hard wood such as beech, maple, oak |
| deciduous | broadleaf trees that loose their leaves each fall and are bare all winter |
| botany, zoology, human anatomy and physiology | Three major fields in biology |
| taproot system and fibrous root system | two main kinds of root systems |
| wheat, corn, and rice | the three most important cereal crops |