Match All Applicable Letters with the Most Appropriate Term

question 49

Multiple Choice

Match all applicable letters with the most appropriate term.
-stomata

• A)pliable tissue that supports rapidly growing plant parts
• B)cells that die when mature, but their thick cell walls remain to lend sturdiness to the plant
• C)replaces the epidermis on the surfaces of older stems and roots
• D)ground tissue located inside the ring of vascular bundles in a eudicot stem
• E)cells that regulate the diffusion of water vapor and other gases into and out of the plant
• F)outermost layer of a young plant
• G)comprised of sieve elements and their associated companion cells
• H)ground tissue is primarily composed of this type of cell
• I)gives rise to xylem and phloem during secondary growth
• J)layer of cells that form the outer boundary of the vascular cylinder
• K)gives rise to dermal, ground, and vascular tissue in roots during primary growth
• L)found in parenchyma cells that store starch
• M)parenchyma cells that contain chloroplasts

Distinguish between genealogical trees and phylogenetic trees and their roles in representing evolutionary relationships.

Appreciate the evolution of specific anatomical features, such as the mammalian middle ear, and the selective pressures that influence such changes.

Understand the fundamental components and classifications of fossils.

Grasp the methods and technologies used in dating fossils and determining Earth's age.

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Definitions:

Excitatory Postsynaptic

Pertaining to the process in which a neurotransmitter increases the likelihood of an action potential firing in the postsynaptic neuron.

Electric Potential

The amount of electric potential energy per unit charge at a point in a field, representing the force that would be exerted on a positive test charge placed at that point.

Neuron

A nerve cell that is the basic building block of the nervous system, responsible for transmitting information throughout the body via electrical and chemical signals.

All-or-None

A principle that states a neuron fires with the same potency each time, though action is dependent on whether or not the stimulus meets the threshold.