Is DNA still present after picking fruit or cooking vegetables? Biology scholars extract and collect DNA strands in an impactful lab. Working groups prepare their samples and compare their results to negative and positive standard...

Why do soybean plants that are planted weeks apart in the spring mature simultaneously in the fall? Four independent activities cover the history of phytochrome research, scientist collaboration, the electromagnetic spectrum, and...

How do scientists know what Earth's climate was like millions of years ago? Young environmental scholars discover how researchers used proxy data to determine the conditions present before written record. Grouped pupils gain experience...

How temperature affects the efficiency of a solar panel is the focus of the third in a series of eight resources that presents how engineers are able to control the temperatures of photovoltaic panels. Class members find out how the...

This comprehensive lesson provides information on the functions of stems, control of stem growth, structure of stems, axillary buds and branching, and modified stems.

Stem functions, origin of the shoot, meristem structure, dicot stems, and monocot stems are the topics examined in this thorough lesson.

Information about the different types of plant stems and their function.

Peruse this site and discover some interesting facts about stems as well as learn what its' function is.

A concise, advanced level, review of structure and growth in these plant organs. Illustrations are clear and well labeled. This is an excellent tool for labs or exams.

Review the main vocabulary and processes in plant tissues and organs.

Site features high school-level comprehensive info on the structure and function of seed plants organized into shoot and root systems. While presented with lots of detail, clear illustrations and animations help make sense of the parts...

Learn about the basic parts of a plant and their jobs.

This is an advanced review from Palomar College of the types of cells that make up conducting tissue in stems and roots. The photos and diagrams are excellent!

A useful review of plant meristems, growth and cell wall construction. Good illustrations make for easy to understand information.

Read about the basic structure of plants in this short, informational reference piece.

A concise review of how plants sense environmental conditions and respond to stimuli. Good illustrations and a quiz enhance learning along with links to additional information.

This advanced level essay is a concise review of the structure of woody stems and roots. Good illustrations help make the text understandable.

Learn how plants absorb water through either root systems or vessels in their stems with this site. Also understand how important water is to the make up of the plant!

Ever wonder about those plants with no stems? Learn about non vascular plants, and how they carry out life's processes.

Gravitropism (or geotropism) is how a plant responds to gravity. Roots have a positive reaction to gravity and they grow toward it. Stems have a negative reaction and grow away from gravity. Learn more about what happens inside a plant...

A concise reference highlighting the specialized parts of plants and the jobs they do.

In this lesson you will learn to understand better the different plants in your environment, its characteristics and its presence in our daily lives. Learn how important the plants are for the survival of all ecosystems in the world and...

The ecology and natural history of plants that live at the expense of other organisms is described in detail at this site from the Palomar College. Great material for a report or presentation.

Baird's Pocket Gopher is also known as the Louisiana Pocket Gopher, though most of what is known about its ecology has come from studies of the species near College Station, Texas, and it occurs in Oklahoma and Arkansas as well as in...