Answer:
Rat and Squirrel are closely related.
Explanation:
Squirrel and rats are small mammals. Squirrel is a part of sciuridae family and order of rodentia. Rat also belong to there order rodentia. Squirrel are rodents like wise rats and share similar characteristics together. They have sharp teeth which continually grow,head shape and size and ear size.
Explanation:
Polynomial System of nomenclature was the older form of naming organisms before the advent of binomial system. In polynomial system, a generic name and specific name which consisted of many words were used. It was eventually found to be incompatible and hence was replaced by binomial system.
Answer:
Bateria
Explanation:
In humans, the flu virus and streptococcal bacteria cause infectious diseases, and they spread from person to person. In contrast, non-infectious (abiotic) disorders in humans include health conditions which are not transmitted from person to person or caused by an infectious agent
B organelles
Like the mitochondria
The third level, secondary consumers.