Opisthaptor

Ferns and their relatives are vascular plants, meaning they have xylem and phloem tissues. Because of the presence of va..

Photosynthesis is the process that plants undertake to create organic materials from carbon dioxide and water, with the ..

Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understa..

Humans are capable of only one mode of reproduction, i.e. sexual reproduction. Haploid sex cells (gametes) are produced ..

This tutorial elucidates body temperature regulation. Know the details here to learn how the body sets the body temperat..

Lotic communities have conditions that are rather harsh for typical plants. Thus, the diversity of plant species in loti..

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