Benchmark 5A
The Living Environment: Diversity of Life
Grades K-2, page 102

Some animals and plants are alike in the way they look and in the things they do, and others are very different from one another.

The most closely related standard is at a higher level of sophistication.

NSES Content Standard C 
Life Science: Diversity and adaptations of organisms 
Grades 5-8, page 158 
Millions of species of animals, plants, and micro-organisms are alive today. Although different species might look dissimilar, the unity among organisms becomes apparent from an analysis of internal structures, the similarity of their chemical processes, and the evidence of common ancestry.