Dicotyledon
What is a dicotyledon?
The seedling that have two seed leaves
What is a monocotyledon?
Plants with one seed
What are annuals?
Plants that complete their life cycle in one year (or season)
What does the term gymnosperms mean?
A plant that has seeds unprotected by an ovary or fruit
What are angiosperms?
Plants that produce flowers and seeds enclosed in fruits
How many flower parts?
Multiples of three or four
Monocots include which type of seeds?
Single cotyledon
What are biennials?
Plants that complete their life cycle in two growing seasons
What does gymnosperm mean in greek?
"naked seeds"
What is made from angiosperms?
Cotton and linen clothing and furniture made of wood
Dicots include what type of seeds?
Double cotyledon
Monocots have what type of veins?
Parallel
What are some examples of biennials?
What are some examples of gymnosperms?
Pines, firs, spruces, redwoods, ginkgo
What two groups are angiosperm divided into ?
Monocots and dicots
What type of roots do dicots have?
Tap
What type of roots do monocots have?
Fibrous
Define perennials
Plants that produce for more than two years or growing seasons
Where do seeds form in Gymnosperms?
Structures called cones
When does reproduction in angiosperm begin?
It begins when pollen falls on a flower's stigma
What are some examples of dicots?
almond tree, beans and other legumes, cabbage, cactus
What is a cotyledon?
A seed leaf that stores food
What are the two classes of perennials?
herbaceous: plants that have soft stems that are killed by frost
woody: plants with hardy stems that can survive winter frost
What are steps to reproduction of gymnosperms?
1. Pollen falls from a male cone to a female cone
2. sperm cell and egg cell join together in an ovule on the female cone
Angiosperms are an important source for what?
Food, clothing, and medicine