How are humans and ants similar?

Answer 1

The only similarities a platypus and an armadillo share are that, because they are both mammals, they share most of the characteristics of mammals.

Both platypuses and armadillos are warm-blooded vertebrates with a covering of fur and skin (where the armadillo is not covered with armour). Their young are nourished with milk. The main difference is that platypuses are monotremes, which are egg-laying mammals. They are still mammals because, like all mammals, they feed their young on mothers' milk. Mammals also breathe through lungs.

Both of these mammals are also characterised by the following anatomical features:

- A flexible neck with seven cervical vertebrae

- Mammals also show enhanced neocortex development

- Sound is produced by the larynx (a modified region of the trachea)

- limbs are oriented vertically

- The mammalian heart has 4 chambers

- Internal temperature is generally high

- Egg development occurs in the uterus (excluding monotremata)

- They have sweat glands

- A single jaw bone

- Diaphragm

- Three bones for a middle ear

Answer 2

They are both mammals and therefore both are warmblooded vertebrates which breathe through lungs and feed their young on mother's milk.

Answer 3

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Answer 4

They are mammals.