Explanation

A vertebrate is an animal with a spinal cord surrounded by cartilage or bone.

  Vertebrates include birds, fish, amphibians, reptiles, and mammals.

Explanation

Vertebrate is an animal of a large group distinguished by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes.

Explanation

Explanation

Sociologists today employ three primary theoretical perspectives: the symbolic interactionist perspective, the functionalist perspective, and the conflict perspective. These perspectives offer sociologists theoretical paradigms for explaining how society influences people, and vice versa.

Explanation

Solids have a high degree of elasticity, which means they can return to their original shape after deformation.

This property allows sound waves to travel more efficiently and quickly through solids

Because the particles are tightly bound and can transmit vibrations rapidly.

Explanation

Epidemiology, the study of epidemics, is sometimes defined as the medical aspect of ecology, for it is the study of diseases in animal populations. 

Explanation

Bioenergetics is the branch of biochemistry that focuses on how cells transform energy, often by producing, storing or consuming adenosine triphosphate (ATP).

Bioenergetic processes, such as cellular respiration or photosynthesis, are essential to most aspects of cellular metabolism, therefore to life itself.

Explanation

The study of coins is called numismatics.

The term "numismatics" was first coined in the late 19th century,

Explanation

Oximeter is used to measure the oxygen level in blood & heart rate. 

Pulse oximeters can be attached to your fingers, forehead, nose, foot, ears or toes.

The device may then be reused or disposed of.

Explanation

 Sound energy is a form of energy that can be heard by living beings.

Only those waves that have a frequency of 16 Hz to 20 kHz are audible to humans.