What Is a Plant? | Plant Structures | Angiosperm Structures | Plant Reproduction | Plant Responses and Growth |
---|---|---|---|---|
Autotrophs
Since plants make their own food, they are called ________________.
|
anchor the plant, absorb water and nutrients
Roots have two main functions, what are they?
|
Embryo, stored food, seed coat
What are the three main parts of a seed?
|
Annual - 1 growing season, biennial - 2 growing seasons, perennial - more than 2 growing seasons
How long are the life cycles of annuals, biennials, and perennials?
|
Touch, gravity, light
What are three important stimuli that plants respond to?
|
Chlorophyll
What is the pigment that makes plants green?
|
Carry substances between roots and leaves, provide support
Stems have two man functions, what are they?
|
Animal waste, wind, water, animal fur, self-ejection
Name five ways seeds are dispersed.
|
Zygote
When a sperm cell and an egg come together the egg is fertilized. What do you call a fertilized egg?
|
Tropism
What do you call a plant's toward or away from a stimulus?
|
Oxygen, sugars (food)
What do plants produce during photosynthesis?
|
Capture the sun's energy, carry out photosynthesis
Leaves have two main functions, what are they?
|
Germination
What is the process of the seed absorbing water and the embryo beginning to grow and push out of the seed called?
|
Insects carry pollen from one plant to the next.
The first step of reproduction is pollination. How does this usually occur?
|
Hormone (auxin)
What is a chemical that affects how a plant grows and develops?
|
Xylem carries water through a plant, phloem carries food.
Vascular plants have tube that carry materials throughout the plant. What do xylem and phloem carry?
|
Stomata
What are the small openings on leaves that allow gasses to enter and leave the leaf called?
|
Stamen
Name the male reproductive part of an angiosperm.
|
Pollen lands on the stigma, travels down a tube, and meets with an egg in the ovary.
The second step of reproduction is fertilization. What happens during this stage?
|
The amount of darkness a plant receives
What determines the time of flowering of many plants?
|
obtain water & nutrients, retain water, support their bodies, transport materials, and reproduce.
Plants need to be able to do 5 things in order to survive on land, what are they?
|
Close their stomata.
What do plants do in order to prevent or slow down transpiration (water evaporation)?
|
Pistil, ovary
There are two parts to the female reproductive part of an angiosperm. What are they?
|
Fruit
What does the ovary change into as the seed develops?
|
To help survive freezing temperatures and lack of liquid water
Dormancy is the stopping of growth and activity. Why do plants go dormant?
|