2. Md. Kawsar Ali Hawlader Senior Lecturer Dept. Of Biology Sub:Biology Second Paper

3. Chapter-12 Animal Behaviour

6. Learning output  definition of social behaviour of bee  tell the names and characteristics of different types of bee  explain the division of labour jn the hive. After completing this lesson students should be able to…

7. Social behaviour is behaviour arising from interactions of memberof species with one another.

8. Queen Drone Worker  Honey bees are hymenopteran insects under the phylum arthropoda.  50000 to 100000 individual can live in a hive.  Bees strictly sustain their principles.  There are 3 castes in honey bees.

9.  There is only one queen per hive  Queen is the largest cast in the colony.  It lays up to 2000 eggs per day.  Life-span is 3-5 years.  Queen controls the hive.

10.  There are 300-3000 drone bees in hive.  They are only for mating.

11.  The smallest member in the hive.  There are 60000-80000 bees in the hive.  Worker engage in feeding, cleaning, nursing and defending.

13. Group-A Make a list of characteristics of bees Group-B Make a list of division of labour in hive.

14.  Dr. Rahat said to his friend, there is a special type of animal who shows a special process in every winter. He added that, “ there are some insects which are social animal like human being.” a.What is spinneret? b.What is meant by migration? c.Describe the mentioned process which is shown by the animal in every winter. d.Analyze the last statement of Dr. Rahat.

15. Home Work Write down a short note on honey bees.