Worksheet 2.7
Supplemental Instruction
Iowa State University / Leader: / Garett
Course: / A ECL/BIOL 365
Instructor: / Dr. Adams
Date: / 10/9/17
1.) Name some reasons that indicate why the senses are important.
2.) The more ______environment, the greater ______of sense organs to survive. ______is constrained by limits of the sensory systems.
3.) Name the types of sense organs and examples of each.
4.) Chemoreception is the most ______and ______of the sense organs. ______is more sensitive & more complex than taste.
5.) Taste ______cells are located in the taste buds.
- What are the 5 basic tastes?
- Which of the 5 is an important warning sign of toxicity?
6.) Chemical scents serve a variety of important functions. List a few.
7.) The mechanoreceptors are located in the ______.
8.) Most touch/pain receptors are located in the ______and ______.
9.) Explain what a lateral line is and who uses it. What behavior is it important in?
10.) How does the transmission of sound differ in water than in air?
11.) Frequency determines the ______while amplitude determines ______.
12.) The original function of the vertebrate ear was for ______. The actual organ responsible for this function is called the ______.
13.) Hearing in mammals begins in the middle ear with 3 subdivisions. Name each of these, their function, and their components.
14.) In the mammalian inner ear, pitch discrimination depends on the ______of hairs stimulated but loudness depends on the ______of hairs stimulated.
15.) ______hear low sounds best. ______have the broadest range of hearing while ______have a very narrow hearing range.
16.) Describe the hearing (ear) specialization in owls.
17.) ______involves emitting a high frequency sound, which is then bounced back off of prey and objects. This is used for prey location in the dark and or murky waters.