Question

These are groups of few mammals. Match them with groups/features.
1. Metatherians, native of Australia
2. Rodents, the fossorial
3. Flying foxes, member of Chiroptera
4. Proboscidea, the largest land animal
5. Primates with estrous or menstrual cycle
6. Legormorphs with two pairs of incisors with open root canals
7. Prototherians, sharing features with primitive vertebrates.

• A. 1- A, 2- F, 3- C, 4- G, 5- D, 6- E, 7- B
• B. 1- B, 2- G, 3- D, 4- A, 5- F, 6- E, 7- C
• C. 1- B, 2- F, 3- C, 4- G, 5- D, 6- B, 7- E
• D. 1- B, 2- F, 3- G, 4- A, 5- D, 6- E, 7- C

Answer 1

The correct option is A 1- A, 2- F, 3- C, 4- G, 5- D, 6- E, 7- B

Metatherians are a group of animals that includes all mammals more closely related to marsupials than to placentals and found in Australia.
Fossorial are those animals that are adapted to digging and live underground, such as naked mole rat.
Flying foxes are megabats and they belong to order Chiroptera.
Elephant, which comes under order Proboscidea, are distinguished by tusks and long, muscular trunks. They are largest land animals.
Animals including humans have a menstrual cycle or estrous cycle in the females counterparts. It happened every month whereby females get ready for pregnancy.
Lagomorphs belongs to order Lagomorpha having tow living families one of which is Leporidae, rabbits belong to this. Rabbits have four incisors in the upper jaw with open root canals.
Prototherians are egg laying mammals belongs to sub class Monotremata, therefore they share features with primitive vertebrates. Thus, the correct answer is option A.