Five pages take biologists on a generalized survey of the origin of life. Queries are made regarding theories of how life developed, ancient Earth conditions, and the ever-changing field of taxonomy. The experiments of different...

In this classification worksheet, students complete a chart listing the characteristics of each of six kingdoms. They write definitions for three terms.

In this evolution worksheet, students will complete a table by writing in the era and biological event based on 4 different time periods of Earth's history. Students will answer 8 fill in the blank questions based on the different origin...

In this plant worksheet, students will review the origins and adaptations of plants including the alternation of generations. This worksheet has 8 short answer, 6 fill in the blank, and 4 multiple choice questions.

In this lineage worksheet, students pick a tree to research and write its lineage and where it originated from. Students complete the lineage of a tree with 14 blanks.

A three-page quiz assessing budding biologists' understanding of classification. Middle-level learners may need a little additional time on this, but should be able to handle the concepts with ease.

In this genes worksheet, students review the system that controls gene expression and the enzymes required for regulating genetic expression. This worksheet has 6 fill in the blank and 7 short answer questions.

In this RNA and gene expression worksheet, students match the letter of the description that best matches the term as it relates to gene expression. Students also answer questions as it relates to the process of transcription and...

In this literacy learning exercise, students find the words that are in the word search puzzle that focus upon the vocabulary that is from the theme of the sheet.

In this chromosome worksheet students complete a crossword puzzle by answering questions on DNA, nucleic acids, nucleotides and RNA.  

For this gene expression worksheet, students read about two transcription factors: activators and repressors. Students complete 1 multiple choice and 5 short answer questions.

For this genetic change worksheet, students read about how mutations can occur in germ cells and somatic cells. Students complete 1 multiple choice and 4 short answer questions.