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Biodiversity Exam 3: Dr. Brooks FAU Questions and Answers(GRADED A)
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what is the structure that provides positioning and support of the leaves? - ANSWER_The Stem What do the roots do? - ANSWER_provide anchorage and absorb water from the ground What part of the plant regulates gas exchange? - ANSWER_Stomata What is the function of guard cells? - ANSWER_surro...

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  • March 26, 2024
  • 7
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • biodiversity exam 3 dr brooks fau questions and
  • biodiversity exam 3 dr brooks fau stuvia
  • how do plants collect and conserve energy answe

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Biodiversity Exam 3: Dr. Brooks FAU
Questions and Answers(GRADED A)

How do plants collect and conserve energy? - ANSWER_through their leaves

what is the structure that provides positioning and support of the leaves? -
ANSWER_The Stem

What do the roots do? - ANSWER_provide anchorage and absorb water from the
ground

What part of the plant regulates gas exchange? - ANSWER_Stomata

What is the function of guard cells? - ANSWER_surround the stomata

What is a runner(stolon)? - ANSWER_New plants arise at the nodes on an above-
ground horizontal stem

What type of plants have a runner? - ANSWER_strawberries

what is a rhizome? - ANSWER_horizontal underground stem

what type of plants have a rhizome? - ANSWER_grass

What are new shoots that arise from axillary buds on enlarged tips of slender
underground rhizomes? - ANSWER_tuber

What type of plants have tuber growth? - ANSWER_potatoes

What is a corm? - ANSWER_new plants arises from axillary buds on short, thick,
vertical, underground stems

What is an example of a corm plant? - ANSWER_gladiolus

What is a Bulb stem? - ANSWER_arises from a axillary bud on a short underground
stem and consists of fleshy leaves

What is an example of a bulb plant? - ANSWER_onion

What does the epidermis consist of in plants? - ANSWER_cuticle and guard cells w/
stomata

what is the cuticle made up of? - ANSWER_cutin and is secreted by the epidermis to
create a waterproof waxy affect atop of leaves

, What are vascular tissues responsible for? - ANSWER_moving fluids through the
plant

True or False: xylem cells are dead at maturity? - ANSWER_True

What is are tracheids? - ANSWER_thinner tube-shaped cells with perforated
endplates, more restrictive of water flow

What is the vessel member? - ANSWER_large tube-shaped cells with no endplates
which allows for greater water flow

What are the two types of cells are produced in the phloem? - ANSWER_Sieve tube
members and companion cells

what are sieve tube members? - ANSWER_tube-shaped cells that are the main
transporters of sugars

True or false: Companion cells do NOT support the sieve tube members
metabolically. - ANSWER_False

What is the Apoplastic Pathway? - ANSWER_water passes through the epidermis of
root hairs and can move easily between cells of the cortex

What is the Symplastic Pathway? - ANSWER_toxins and other contaminants are
filtered out before the water is brought further up into the plant

What is parthenogenesis? - ANSWER_development of an egg without fertilization

True or False: Propagation is taking a piece of the parent plant and replanting it and
hoping it grows? - ANSWER_True

What is tropism? - ANSWER_growth in response to a stimulus

What are the characteristics of upward growth of a plant? - ANSWER_dependent on
light, epicotyl or coleoptile, and phototropism

What are the characteristics of downward growth? - ANSWER_dependent on
gravity, radicle or hypocotyl, and gravitropism

What are meristematic tissues? - ANSWER_plant versions of germ layers and
responsible for the initial est. of plant tissues, organs, and systems

What is primary growth in plants? - ANSWER_initial growth in plants and is uses the
apical meristem which is responsible for growth in length

What is secondary growth in plants? - ANSWER_growth in thickness and is done by
lateral meristems and begins where primary growth stopped

What does the vascular cambium produce? - ANSWER_Secondary xylem to the
inside and secondary phloem to the outside.

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