Mrs.davis final exam Flashcards
(219 cards)
What method of tree harvesting involves removing all but a few selected trees
Selection cutting
What forms at the base of a petiole to sever a leaf from a branch
Abscission layer
What structures on a stem allow air to enter the stem and provide for respiration
Lenticels
What is the portion of a stem between 2 leaves or 2 places where leaves once grew
Internode
What is the talllest tree species
Coast redwood
What are the oldest known organisms on earth
Bristlecone pine
What is another name for broadleaf trees
Hardwood trees
Which type of root grows from a plant’s stem, branches, leaves or mature woody roots
Adventitious roots
What type of gymnosperms has no branches and frond-like leaves
Cycad
What system of forest management causes the forest to grow more high quality trees that mature faster than they normally would
Sustained yeild management
What type of inscet has a strong beak that it uses to pierce the plants stem
Sap-sucking insects
In a dichotomous identification key, how many choices are there at each question
2
An annual growth ring is made of 2 layers, a lighter outer layer with large vessels and a darker inner layer with smaller vessels. What is the lighter outer layer called
Soringwood
What type of insects either kills the tree or weakens it so that the wind can easily blow it over
Wood-eating inscets
What is the food-storing central core of a young woody stem
Pith
What term refers to trees that keep their leaves year round
Evergreen
What is the rough outer covering of a tree
Bark
What are the most common gymnosperms
Conifers
what is the science of managing and studying forests called
forestry
once a leaf falls off, what is all that remains on the tree
leaf scar
what is the process of removing trees for human use
tree harvesting
what is the main stem of a tree called
trunk
what system recycles carbon and oxygen in the environment
carbon-oxygen cycle
what is the debris that loggers leave on the forest floor called
slash