This is from entomolgy class. please answer the three questions. I appreciate yo

ID: 220366 • Letter: T

Question

This is from entomolgy class. please answer the three questions. I appreciate your help :)

2. Hearing within the Insecta

a. has evolved many times.

b. is a derived state within the taxon.

c. is accomplished via tympanal organs.

d. all of the above

e. only a and c

3. Receptors used to detect air borne chemicals

a. can be found in the foregut.

b. are located on antennae.

c. also function in smelling.

d. two of the above

e. none of the above

4. Superposition ommatidia

a. are commonly found in both day and night-active insects.

b. contain retinular cells.

c. are image forming.

d. all of the above

e. only two of the above

2-option e is correct because hearing in insect has evolved independently several times and tympanal organ is present for hearing in many insects.

3-option b, c is correct because cillia help in detection of air born chemical they also help in smelling.

4-option d is correct because it is found in insects, help in image formation ,nearly 7 retinular cells present.

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