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Class Mammalia

Parental care...

Question

Parental care normally occurs in

A

Reptiles and mammals

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B

Birds and mammals

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C

Only mammals

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D

All vertebrates

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Solution

The correct option is B Birds and mammals
Parental care is any behaviour pattern in which a parent invests time or energy in feeding and protecting its offspring. The degree of parental care differs widely. For example, most species of fish show little or no parental care, while birds and mammals care for their offspring until they reach adolescence. Hence, the correct answer is option (B).

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Similar questions

Q. What is "parental care"? Give some idea about parental care with different examples?

What is parental care?

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.

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Q. Animals of this phylum have a characteristic feature of presence of notochord, a dorsal hollow nerve cord and paired pharyngeal gill slits. Within this phylum is an advanced group called as vertebrates which include fish, amphibians, reptiles, birds and mammals.

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