Mod 14 Study Guide Flashcards
Vegetative organs
The parts of a plant (such as stems, roots, and leaves) that are not involved in reproduction
Reproductive plant organs
The parts of a plant (such as flowers, fruits, and seeds) involved in reproduction
Undifferentiated cells
Cells that have not specialized in any particular function
Phloem
Living vascular tissue that carries sugar and organic substances throughout a plant
Deciduous plant
A plant that loses its leaves for winter
A leaf has the spongy mesophyll on top. Which side of the leaf (top or bottom) will the lighter shade of green?
The top side with the spongy mesophyll will be the lighter shade of green.
What structure in a deciduous tree causes the leaves to die and fall off in the autumn?
the abscission layer cuts off the flow of nutrients to the leaves, which causes them to stop doing photosynthesis, causing them to die.
What are anthocyanin, and what do they do to a leaf’s color?
Anthocyanin is a pigment and they have diff colors based on the ph of the leaf tissue.
In which region of a root do you find undifferentiated cells?
The undifferentiated cells are in the meristematic region.
Why is the bark of a tree often cracked?
growth causes the outer bark to crack.
A tree has seed cones and pollen cones. To which phylum does it belong?
It belongs in phylum Coniferophyta
A plant has a primary root that grows and grows without branching. What kind of root system is this?
Taproot
Name two differences between monocots and dicots.
- monocots usually produce flowers in groups of three or six while dicots produce flowers in groups of four or five.
- Monocots have one cotyledon in their seeds, dicots have two.
What function do the guard cells perform in a leaf?
The guard cells open and close the stoma.
Did the following stem cross section come from a monocot or a dicot?
Monocot
