AFF Exam 2

Which of these is not a common characteristic of vertebrates?

• cranium
• exoskeleton
• two pairs of appendages
• vertebral column

Which of these choices expresses the difference between acclimitization and adaptation?

• Acclimitization is a permanent change, Adaptation is reversible quickly
• Acclimitization happens over many generations, Adaptation happens in one organisms lifetime
• Acclimitization happens in individuals in response to environmental changes, Adaptation occurs over many generations
• Acclimitization is the adoption of a trait with a genetic bias, Adaptation is barely influenced by genetics

Tags

NGSS.HS-LS4-5

Which fluid is the water inside of an animals cell?

• Intracellular Fluid
• Plasma
• Extracellular Fluid
• Interstitial Fluid

Which is not a trait in all mammals?

• All mammals have hair
• All mammals secrete milk through mammary glands
• All mammals have specialized teeth
• All mammals give live birth

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NGSS.HS-LS4-2

NGSS.HS-LS4-4

Which is the critical innovation in amniote evolution?

• Scales
• Eggs with shells
• sharp talons
• loss of gills in juvinilles

Which of the following correctly describes the main function of the somatic nervous system?

• regulates involuntary organ function and homeostasis
• controls voluntary movement and responses to external stimuli
• controls digestive system function only
• relays signals between the brain and endocrine glands

What distinguishes the sympathetic nervous system from the parasympathetic nervous system?

• sympathetic is voluntary, parasympathetic is involuntary
• sympathetic slows heart rate; parasympathetic speeds it up
• sympathetic triggers "fight or flight;" parasympathetic triggers "rest and digest"
• both systems act only during sttress

Tags

NGSS.HS-LS1-3

In the autonomic nervous system, how many motor neurons are involved in each efferent pathway?

• one neuron
• two neurons (one in the CNS and one in a ganglion outside the spinal cord)
• three neruons in a series
• only sensory neurons are present

The enteric nervous system is primarily associated with which function or location?

• controlling skeletal muscles
• regulating digestive tract activity through a mesh-like network
• coordinating sensory input form the skin
• controlling heart rate and pupil dilation

Where does connective tissue develop from?

• The mesoderm germ layer
• The blood
• The epidermis
• Skeletal muscle