Lesson 1
What characteristics do all plants have except for some green algae?
They are all multicellular.
3 characteristics that non vascular plants all share is?
They are all low growing, have thin cell walls, and don’t have true roots.
What are 3 functions of the root?
Support the plant, absorbs water minerals and food, store food.
What is germination?
When the embryo begins to grow and break out of the seed.
What is a plant’s response to stimuli called?
Tropisms.
What parts of a plant cells are different from an animal cell?
Cell walls, chloroplasts, and vacuoles.
3 examples of non vascular plants are:
Moss, liverworts, and hornworts.
What is the tissue called in the stem that produces new xylem and phloem.
The cambium.
What are the 3 main parts of the seed?
Seed coat, embryo, stored food.
What are three stimuli that produce plants response.
Touch, gravity, and light.
What do all plants need to live on land?
To obtain water, retain water, support its body, transport water minerals and food, and reproduce.
What type of seedless plants have only 30 species?
Horsetails.
How do plants do photosynthesis?
Co2 + h2o+ sunlight= glucose
glucose+ oxygen+ water= photosynthesis
3 structures of the leaf?
Stoma, cuticle, chloroplasts.
What is thigmotropism?
The response to a touch stimuli.
Land plants need to ___ in ___ environments?
Reproduce in dry environments.
What plant’s young leaves are called fiddleheads and why?
Ferns, they look like the head of a violin.
Name the parts of a woody stem from the outside to inside.
Bark, phloem, cambium, xylem, heartwood.
Spell the the type of stem that is not the woody stem.
H-e-r-b-a-c-e-o-u-s
What is the hormone that controls how fast a plants cells grow? Spell it.
Auxin.
a u x i n
In small ___, ____ can simply move from one ___ to the next.
In small plants, materials can simply move from one cell to the next.
True or false:
There are over 14000 species of ferns.
False, there are 12000 species.
What are the parts of the male reproductive system?
Stamen, anther, filament.
What are annual ring made of?
Xylem.
What is photoperiodism?
A plant’s response to seasonal changes in the length of day in night.