Answer:
The correct answer is C. Mammals can produce milk for their offspring.
Mammals are the members of class mammalia. The word mammalia was derived from Latin word "mamma" which means "breasts" as they had a unique feature i.e. presence of mammary glands.
These glands were evolved from a special types of sweat glands and became specialized in the production of milk, especially in females.
They help the mothers in providing nourishment to the offspring.
Other features of mammals may include four chambered heart, hair and fur, three middle ear bones, etc.
Explanation:
Answer:
Primates have the greatest brain size to body size ratio of any mammalian group.
Explanation:
Primates can be described as mammals which have digits. Apart from having digits, primates comprise of features like skull and teeth. Primates undergo sexual reproduction to produce offsprings and are characterized of being placental mammals.
Primates are organisms that have the largest size of the brain tin relation to their body ratio. Among primates, Humans have the largest brain to body size ratio, making them by far the most intelligent organism in the animal kingdom.
Which process is the most responsible for the increase in early Earth's atmospheric oxygen levels?
Photosynthesis
the movement of earth through space
It consist of integral proteins and trans-membrane proteins and peripheral proteins as well
