INSECTS activity

Activity 4.2: Identifying the features on the head of an insect
What you need
i) Hand lens
ii) Freshly killed adult cockroach, housefly, mosquito, worker
bee, butterfly and termite
iii) Notebook
What to do
Using a hand lens, observe the features of the antennae, eyes and mouth parts of the insects provided. Describe the features in the table below.

Caution
After completing the activity, WASH your hands thoroughly with CLEAN WATER and SOAP.
1. (a) What is the function of antennae to an insect?
(b) Among the insects provided, which do you think has antennae that are specifically adapted to its way of life? Give reasons for your answer.
2. Did all the insects have eyes? If no, which insect did not have  eyes? Suggest a reason for your answer.
3. Based on your observations, select the insects which have the following types of mouth parts and give a reason for your answer.
a. Biting-chewing mouth parts Reason
b. Piercing-sucking mouth parts Reason
c. Siphoning mouth parts Reason

d. Sponging mouth parts Reason