Take this interactive, multiple-choice quiz over classification of organisms, then review your score and any missed questions at the end.

Take an interactive quiz over the classification of living things. After completing the quiz, check your score, and then revisit any incorrect question for further review.

Answer these five multiple-choice questions about the history of classification of living things. After answers are submitted, students can review their mistakes.

Try these five self-checking quiz questions over modern classification of living things. Click on the hints to see information about each question.

A fifteen question chapter review covering concepts of the classification of life.

This multiple-choice quiz on domains and kingdoms of living things allows students to get hints for each question and check their answers after submitting.

Here's a great dichotomous key for beginners. Use gremlin-like creatures to learn how to use more taxonomic keys.

Links to science quizzes about animals and birds. Topics include animal classification, butterfly, beetle and frog life cycles, spiders, bats, birds of prey, owls, birds of the jungle, rainforest, cold climates and migration.

A multiple-choice quiz on the mechanisms of evolution.

Learn how biologist name and classify organisms.