Roots, Stems, and Leaves Quiz
where is the vascular cylinder of a root?
in center of the root
what happens during periods of secondary growth?
increases in width
root hairs anchor plants and help them absorb water and minerals by
increasing the root's surface area
during periods of primary growth, stems and roots become
longer
in what part of a leaf does not photosynthesis take a place?
mesophyll
insects captured by predatory plants provide the plant with
nitrogen
the function of guard cells is to
open and close the stomata
division of a plant's apical meristem cells produces
primary growth
what does the root cap do?
protects the tip of a growing root
what do the stomata do?
regulates the loss of water and exchange gases with the atmosphere
how do guard cells that surround a stomata open?
the guard cells swell with water, opening the stomata
what are two functions that roots provide a plant?
they anchor the plant to the ground and absorb water and minerals the plant needs
what is the result of desert plants thick cuticles and spines?
they minimize water loss
what is the primary function of root hairs?
to absorb water and minerals
what is the primary role of ground tissue in the center of roots and stems?
to provide support
what are two characteristics of leaves that can be used for identifying plants?
vein pattern and leaf shape
what type of plant undergoes secondary growth?
woody plants
how is plant development similar to animal development?
because newly formed plant cells differentiate to form specialized cells
most leaves have a broad, flat part called a
blade
what are three ways that plants are adapted to photosynthesis?
broad shape, many chloroplasts, stomata
garden-pea tendrils are specialized leaves, what are they used for?
climbing
thin leaves such as spines and needles are adaptations to
dry climates
what are the two basic forms of roots?
fibrous roots and taproots
what can you infer from a thick annual ring inside a thin annual ring in a tree trunk?
good conditions followed by harsher conditions