What characteristics of organisms does the Linnaean system of classification use to give organisms their specific name? A. genetic
B. evolutionary
C. environmental
D. physical

Explanation:

It was developed by Swedish botanist Carolus Linnaeus in the 1700s. He tried to classify all living things that were known at his time. He grouped together organisms that shared obvious physical traits, such as number of legs or shape of leaves.

a tetrad is the foursome during meiosis made by two homologous chromosomes that have each already replicated into a pair of sister chromatids.

a- all cells come from pre-existing cells