state the characteristics of animal of class mammalian.
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d= volume of the oil drop/ area of the film
= 4/3 *pi* (0.025cm)^3/(pi* (10 cm)^2
= 2.08X10^-7 cm
= 4/3 *pi* (0.025cm)^3/(pi* (10 cm)^2
= 2.08X10^-7 cm
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⭕Characteristics of class mammalia:
✔️The most unique mammalian characteristic is the presence of milk producing glands by which the young ones are nourished.
✔️They are found in variety of habitats - polar ice caps, deserts, mountains, forests, grasslands and dark caves.
✔️They have two pairs of limbs - adapted for walking, running, climbing, burrowing swimming or flying.
✔️The skin of mammals is unique in possessing hair.
✔️External ears and pinnae are present.
✔️Different types of teeth are present in the jaw.
✔️The heart is four chambered.
✔️They are homeothermous.
✔️Respiration is by lungs.
✔️Sexes is a separate.
✔️Fertilization is internal
✔️They are viviparous with few exceptions.
✔️Development is direct.
__________________________
☺️☺️
__________________________
⭕Characteristics of class mammalia:
✔️The most unique mammalian characteristic is the presence of milk producing glands by which the young ones are nourished.
✔️They are found in variety of habitats - polar ice caps, deserts, mountains, forests, grasslands and dark caves.
✔️They have two pairs of limbs - adapted for walking, running, climbing, burrowing swimming or flying.
✔️The skin of mammals is unique in possessing hair.
✔️External ears and pinnae are present.
✔️Different types of teeth are present in the jaw.
✔️The heart is four chambered.
✔️They are homeothermous.
✔️Respiration is by lungs.
✔️Sexes is a separate.
✔️Fertilization is internal
✔️They are viviparous with few exceptions.
✔️Development is direct.
__________________________
☺️☺️
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