In __________,There Is a Progressive Increase in Size and Complexity

Q17: The brain area that functions in coordination

Q18: The mass of bright red photoreceptor granules

Q19: _ neurons either act as receptors of

Q20: The stapes is also known as the<br>A)anvil.<br>B)cochlea.<br>C)hammer.<br>D)stirrup.<br>E)otolith.

Q21: Which of the following animals utilizes echolocation?<br>A)bats<br>B)whales<br>C)some

Q23: Most _ of animals involve projections from

Q24: A hygroreceptor detects<br>A)the water content of air.<br>B)the

Q25: Neurons that send processed information to muscles

Q26: The functional unit of the nervous system

Q27: The concentration of receptors and nervous tissue