give some characteristics features of animals
Answers
Answered by
0
mammals have four chambered .
they have organ level of organisation.
they have well differentiated respiratory system.
they have also well developed excretion system.
In animals maily internal fertization occur and rarely it may be external in animals like frogs.
they have organ level of organisation.
they have well differentiated respiratory system.
they have also well developed excretion system.
In animals maily internal fertization occur and rarely it may be external in animals like frogs.
Similar questions