Question

No.	Characteristics	Parental Care Type	Mating System
1.	Large investment required for incubating and feeding the young for a prolonged time
2.	Lactating females, internal fertilization
3.	External fertilization, females exhibit territorial behaviour

Options for Parental Care Type:
a. Male parental care
b. Female parental care
c. Biparental care
d. No parental care
Options for Mating System:
I. Monogamy
II. Polyandry
III. Polygyny
IV. Promiscuity

There are basic differences in the physiology and life histories such as mode of fertilization, bearing and rearing the young, etc in different groups of animals. These can account for the differences in parental care as well as mating systems in these groups. For each of the following life-history characteristics, assign the most probable mating system and parental care type. Choose from the options given above and fill in the table with the appropriate alphabets and numbers.

Answer 1

No.	Characteristics
1.	Large investment required for incubating and feeding the young for prolonged time	c	I
2.	Lactating females, internal fertilization	b	II
3.	External fertilization, females exhibit territorial behaviour	a	II