Understanding Biodiversity presents an overview of biodiversity, its importance and relevance to humans, all living things, and the Earth. It includes species pages and a template to engage and involv ...
Biology - Advanced concepts for high school.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Plant cell: the cell is a highly complex system that is the site of intense energy exchange and which presents vast interphase surfaces. Like all living organisms, it feeds itself, grows, multiplies a ...
Euglena: flagellate freshwater protozoan. It is composed of chlorophyll and has a rudimentary eye. See more
Euglena - Visual Dictionary - Copyright © 2005-2016 - All rights reserved.
Bacterial cell: unicellular parasite that is neither plant nor animal. It reproduces by scissiparity, and there are a great number of different varieties. See more
Bacterial cell - Visual Dictionary - ...
Amoeba: unicellular animal with pseudopods that lives in fresh or saltwater. See more
Amoeba - Visual Dictionary - Copyright © 2005-2016 - All rights reserved.
Paramecium: large ciliate protozoan that lives in stagnant freshwater. See more
Paramecium - Visual Dictionary - Copyright © 2005-2016 - All rights reserved.
Limulus: marine arthopod which lives near the shore. See more
Limulus - Visual Dictionary - Copyright © 2005-2016 - All rights reserved.
Mesozoic: cold-blooded vertebrate animals, with or without legs. Their skin is covered with scales and they are usually oviparous. See more
Mesozoic - Visual Dictionary - Copyright © 2005-2016 - A ...
Orthoptera: chewing insect with soft wings cases and pliable, membranous rear wings. See more
Orthoptera - Visual Dictionary - Copyright © 2005-2016 - All rights reserved.