key terms exam 4

animal incapable of maintaining a relatively constant internal body temperature

• Ectotherm

• Endotherm

• Temporal fenestra

• Channel protein

animal capable of maintaining a relatively constant internal body temperature

• Ectotherm

• Endotherm

• Temporal fenestra

• Channel protein

 non-orbital opening in the skull that may allow muscles to expand and lengthen

• Ectotherm

• Endotherm

• Temporal fenestra

• Channel protein

membrane protein that allows a substance to pass through its hollow core across the plasma membrane

• Ectotherm

• Endotherm

• Temporal fenestra

• Channel protein

change in the membrane potential to a less negative value

• Depolarization

• Hyperpolarization

• Neurotransmitter

 change in the membrane potential to a more negative value

• Depolarization

• Hyperpolarization

• Neurotransmitter

chemical ligand that carries a signal from one nerve cell to the next

• Depolarization

• Hyperpolarization

• Neurotransmitter

receptors that are stimulated by chemicals or chemical changes

• Chemoreceptors

• Mechanoreceptor

• Photoreceptors

• Sensory receptor

• Thermoreceptors

sensory receptor modified to respond to mechanical disturbance such as being bent, touch, pressure, motion, and sound

• Chemoreceptors

• Mechanoreceptor

• Photoreceptors

• Sensory receptor

• Thermoreceptors

receptors that are stimulated by electromagnetic radiation (such as light)

• Chemoreceptors

• Mechanoreceptor

• Photoreceptors

• Sensory receptor

• Thermoreceptors