Meet the red wolf, an endangered species of animal that was once very common, but in the past 50 year nearly became extinct!

In which habitat could you find a blue whale, a squid, and a shark? The ocean, obviously! Have your kid find ocean animals with this word search worksheet.

Learners will use a word bank to label 15 parts of the human digestive system in this life sciences diagramming activity.

Bug out on some insect anatomy! Can you name each part of the insect? Try making an educated guess by using what you already know about animal body parts.

Give students an opportunity to model how genes are passed down to offspring with the help of this Punnett squares worksheet!

Explore the circle of life with this informative coloring sheet! Help your student color and learn the names of each stage of a butterflyÃs life.

Some people think alligators and crocodiles are the same, but there are some distinct differences. Check out this cool worksheet to learn what they are.

This diagram of a human skeleton is labeled with 12 major bones, from skull to fibula.

Learn about the integumentary system, which is really just a fancy phrase for "skin", in this worksheet.

Record your notes as you learn about the cell cycle with this one-page template!

These worksheets help kids understand food webs, an important part of the life science curriculum in fourth grade.

What happens to our food after we swallow it? Chomp on some body science with this diagram of the digestive system.

Learn to identify and name the parts of a seed in this two-page science worksheet and quiz!

Students are introduced to the different types of symbiotic relationships that exist in ecosystems in this life science worksheet.

Learn how sensory information is processed by the somatic and autonomic nervous systems with this engaging science worksheet! 

Explore the difference between natural and artificial selection with this engaging life science worksheet for middle grades!

Ever wonder what makes the leaves change colors in the fall? Find out with this fascinating life science worksheet.

Discover how animal behaviors increase the probability of successful reproduction and offspring survival with this middle school science worksheet!

Students learn about population dynamics through the context of fox and rabbit populations in a forest ecosystem.

Use this heart anatomy sheet to learn all about your heart and how it works.

Did you know that invertebrates don't have backbones? Find out some different types of invertebrates with the clues in this crossword puzzle.

Learn more about the animals in the swamp food chain, and find out how each living thing in a swamp ecosystem needs another to survive.

Children match animals to their ecosystems in this life sciences worksheet.

Test your knowledge of prehistoric animals with this life sciences crossword puzzle!

Learn more about the mysterious brain and how it works with this brain anatomy worksheet.

Does your budding biologist know his plant parts? Get a great review of some important plant vocabulary with this info page.

This Awesome Anatomy coloring page is all about the human eye, and makes a handy study tool as well!

All living things go through cycles. Learn about the life cycle of an amphibian with this diagram of the life of a frog!

Facts about ostrich include that they are the largest birds in the world and that they can't fly, but that's not all. Learn all about this amazing bird!

Budding botanists can master the different parts of a seed with this helpful diagram!