Learners read how fruits are classified according to their texture and according to how they developed from their floral anatomy.

Learners read a general description of the function and structure of leaves and examine drawings and microscopic views. A matching exercise completes the learning object.

In this well-illustrated object, learners examine basic floral anatomy. The flower is the reproductive organ of the angiosperm.

In this video you'll study the structure of the cell membrane and construct it using the correct molecules.

Learners examine the lifecycle of basidiomycetes. Terminology and fungi examples are provided.

Learners examine the function of each part of a microscope and follow step-by-step instructions on how to focus on a specimen. They also review the proper use and care of a microscope and test their knowledge in two drag-and-drop exercises.

Learners read about endospores and view video clips demonstrating spore staining procedures. Correctly stained slides are shown. The learning object includes two matching exercises.

In this learning activity you'll analyze the basic steps in conjugation and applies the effect to microbial characteristics.

In this interactive and animated object, learners examine the characteristics, ecological importance, and lifecycle of the ascomycetes of the fungi kingdom.

Explore how a goldfinch interacts with its environment and how it's affected by environmental changes.

In this animated and interactive object, learners examine the lifecycle of fungi including asexual and sexual reproduction. Learners test their knowledge by identifying a diagram and by completing a crossword puzzle.

Chytrids, as members of this group are known, are found everywhere. In this animated learning object, students examine the role of chytrids and their impact on the environment.

In this animated activity, sexual reproduction in animals is contrasted with the alternation of generation lifecycle of plants.

Learners listen to the pronunciation of the binomial names for microorganisms and then type the words. They may choose the number of names that they wish to spell (up to 112). Immediate feedback is given, and a final score is provided at the end of the activity.

In this screencast, learners review and reinforce their knowledge of brain anatomy and function.

In this video, learners view the parts of an animal cell and its organelles.

In this animated activity, learners examine the two major phases of cell division: mitosis and cytokinesis.

Learners read about the mutations that occurred in plants for the successful transition from an aquatic to a terrestrial existence. The classification of plants is based on these adaptive structures.

Learners listen to the pronunciation of bacteria names and then type the words. They may choose the number of names that they wish to spell (up to 70). Immediate feedback is given, and a final score is provided at the end of the activity.

Learners listen to the pronunciation of fungi names and then type the terms. They may choose the number of names that they wish to spell (up to 13). Immediate feedback is given, and a final score is provided at the end of the activity.