The process by which the stomata release excess water from the plant that comes up from the roots.
What is transpiration?
100
What is a plant embryo that contains food for the embryo so that it can germinate?
A seed.
100
What are the oldest trees on earth?
Bristlecone pines
200
Assigning two names.
What is binomial nomenclature?
200
What is heartwood?
The wood on the very inside of the tree.
200
What is released into the air by the leaf?
Oxygen.
200
What are little clusters of sporangia that are on the underside of a frond?
A sori.
200
What are the two different types of cones?
Pollen and seed
300
What is vascular?
A plant that has tubes that carry liquid inside the plant. Vascular means tubes that carry fluid.
300
What is masting?
An overabundance of acorns in a certain year.
300
What are the little structures that expand and shrink on the bottom side of the leaf?
Guard cells.
300
The tiny, heart shaped plantlet that that a spore grows into.
What is a prothallus?
300
Why can forest fires be good?
They fertilize soil and clear landscape for more growth.
400
The bud at the tip of each twig.
What is the terminal bud?
400
What is the special substance that absorbs light, takes the light's energy and gives it to the leaf and makes the leaf green?
What is chlorophyll?
400
What are the two parts of a fern leaf?
Pinnae and rachis.
400
These gymnosperms mean cone-bearer.
Conifer.
500
The hilum.
What is the seed's belly button or scar?
500
A thin layer of cells that produces new xylem and phloem. It causes the tree trunk to get wider every year.
What is the vascular cambium?
500
What is "putting together with light"?
Photosynthesis.
500
What are the uses of lichens?
Protects trees
Monitors air quality
Breaks down rocks and leads to fresh soil.
Good sources of food for caribou and reindeer
Homes for spiders, mites, lice and insects.
500
What are the three different kinds of conifer leaves?