Chapter 2 Flashcards
Who realized that flowers are organs for plant reproduction?
Sprengel
What part of the flower produces pollen grains?
Anther
What are the leaf-like structures that protect the flower bud?
Sepals
What is the purpose of flower petals?
To attract pollinators
What allows the sperm cells from pollen to travel to the egg?
Pollen tube
What part of the seed becomes the stem and leaves?
Plummule
What part of the seed becomes the root system?
Radicle
A fruit is a ripened _______________ of a flower.
Ovary
Mechanical dispersal is when a plant uses ___________________ to disperse seeds.
Itself
Agent dispersal is when a plant uses ________________________to disperse seeds.
Wind or something else
What do seeds require to start germination?
Water
Primary plant growth is measured by?
Length
When is a plant considered a seedling?
When the cotyledons shrivel and die
What flower family is composed of both ray and disk flowers?
Composite
What flower family has legumes?
Pea
What is another name for the Buttercup family?
Crowfoot
Mint flowers commonly form?
Spikes
Queen Anne’s Lace is also called?
Wild carrot or bird’s nest
What type of ovary does an amaryllis flower have?
Inferior
Where does the leaf attach to the stem?
Node
What is the fertilized fruit of a grass plant?
Grain
What group of plants is the most important group of plants on earth?
Grass
Where is the green pigment stored in the cells of a leaf?
Chloroplasts
Nonwoody plants are called?
Herbacous
What is plant reproduction without flowers, seeds, ect?
Vegetative reproduction
What are the storage cells that surround the root transport system?
Cortex
Xylem carries water
Upward
What is the upward force that results as water enters the roots?
Root pressure
What is the process of water evaporating from the leaves?
Transpiration
Pollination
Transfer of pollen from the anther to the stigma
Fertilization
The combination of pollen and ovules
Biennial
lives for 2 growing seasons
Angiosperm
flowering plant
Legumes
help the nitrogen cycle
Rose Family
has woody stems, fleshy fruits, and petals in multiples of 5
Bulb
Thick, fleshy leaves around a short stem
Stolon
Creeping stem
Sessile
has no petiole and attaches directly to the stem (like grass)
Compound leaf
Has more than 1 leaf on a petiole
Photosynthesis
Converts energy into food