Old Flashcards
Aside from oxygen, which gas is important plants?
Carbon Dioxide
Photosynthesis
the process by which plants make their own food
Plants make sugar [blank] from carbon dioxide and water
Glucose
Are the chloroplasts in the grana or are the grana in the chloroplasts?
The grana are in the chloroplasts?
The pigment in plants that absorbs light energy is called…
Chlorophyll
Why are most plants green?
Chlorophyll absorbs many wavelengths but reflect more wavelengths of green light
What happens to the light energy that is captured by chlorophyll?
It is used to help form glucose molecules
When photosynthesis takes place the plant gives off what gas?
Oxygen [O2]
Cellular respiration
The process by which cells use oxygen to produce energy from food
Excess glucose is converted to another type of sugar is called [blank] or stored as [blank]
Excess glucose is converted to another type of sugar is called sucrose or stored as starch
Stoma
An opening in a leaf’s epidermis
Transpiration
The loss of water from the leaves
Cuticle
A waxy coating that protects the plant from water loss
Guard cells
Double doors for a stoma
The base of nearly all food chains on earth is formed by …
Photosynthetic organisms
How do some animals get energy from plants indirectly?
They eat animals that eat plants. Example:
Antelope eats grass. Then lion eats antelope
What is the largest most diverse group of plants?
Flowering plants
What takes place when pollen is moved from anthers to stigmas?
Pollination
What happens when sperm fuses with the egg inside an ovule?
Fertilization
What develops into a seed after fertilization takes place?
Ovule
What is a dormant seed?
An inactive seed
Germination
Seed becoming a plant
What three things do seeds need in order to sprout?
Water, air, and warm temp.
Runners
Above ground stems from which new plants can grow
Plantlets
Tiny plants that grow along the edges of a plants leaves and fall off and grow on their own
Tubers
Underground stems from which new plants can grow
Xylem
Vascular tissue that transports water and minerals through a plant
Phloem
Vascular tissue that transports food molecules to all parts of a plant
Where are root systems located?
Underground
What are the three main functions of roots?
Supply plant with water and dissolved minerals
Hold plants securely in soil
Store surplus food during photosynthesis
