What Is a Plant? Plant Structures Angiosperm Structures Plant Reproduction Plant Responses and Growth
100
Autotrophs
Since plants make their own food, they are called ________________.
100
anchor the plant, absorb water and nutrients
Roots have two main functions, what are they?
100
Embryo, stored food, seed coat
What are the three main parts of a seed?
100
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?
100
Touch, gravity, light
What are three important stimuli that plants respond to?
200
Chlorophyll
What is the pigment that makes plants green?
200
Carry substances between roots and leaves, provide support
Stems have two man functions, what are they?
200
Animal waste, wind, water, animal fur, self-ejection
Name five ways seeds are dispersed.
200
Zygote
When a sperm cell and an egg come together the egg is fertilized. What do you call a fertilized egg?
200
Tropism
What do you call a plant's toward or away from a stimulus?
300
Oxygen, sugars (food)
What do plants produce during photosynthesis?
300
Capture the sun's energy, carry out photosynthesis
Leaves have two main functions, what are they?
300
Germination
What is the process of the seed absorbing water and the embryo beginning to grow and push out of the seed called?
300
Insects carry pollen from one plant to the next.
The first step of reproduction is pollination. How does this usually occur?
300
Hormone (auxin)
What is a chemical that affects how a plant grows and develops?
400
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?
400
Stomata
What are the small openings on leaves that allow gasses to enter and leave the leaf called?
400
Stamen
Name the male reproductive part of an angiosperm.
400
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?
400
The amount of darkness a plant receives
What determines the time of flowering of many plants?
500
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?
500
Close their stomata.
What do plants do in order to prevent or slow down transpiration (water evaporation)?
500
Pistil, ovary
There are two parts to the female reproductive part of an angiosperm. What are they?
500
Fruit
What does the ovary change into as the seed develops?
500
To help survive freezing temperatures and lack of liquid water
Dormancy is the stopping of growth and activity. Why do plants go dormant?






Plants

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