Question

all mammals are what​

Answer 1

Answer:

Mammals (from Latin mamma "breast") are a group of vertebrate animals constituting the class Mammalia (/məˈmeɪliə/), and characterized by the presence of mammary glands which in females produce milk for feeding (nursing) their young, a neocortex (a region of the brain), fur or hair, and three middle ear bones.

Answer 2

Explanation:

All modern mammals give birth to live young, except the five species of monotremes, which are egg-laying mammals. The most species-rich group of mammals, the cohort called placentals, have a placenta, which enables the feeding of the fetus during gestation.

Class: Mammalia; Linnaeus, 1758

Kingdom: Animalia

Phylum: Chordata

Superclass: Tetrapoda