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Children's Online Encyclopedia.Look it up on this new free website: illustrated, comprehensive, up-to-the-minute, authoritative. Great for facts, projects or homework.
The site is the creation of O ...
The endocrine system is composed of nine specialized glands (the pituitary, the thyroid, the four parathyroids, the two adrenals and the thymus) and a number of organs capable of producing hormones (i ...
Hipervinculo Biología
Una sencilla cadena trófica que muestra animales depredadores y detrívoros de mar, tierra y aire.
A simple food chain representing sea, earth and air animals.This file is made available u ...
Small timeline showing different events in the evolution of life. This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication
Una interesante comparativa entre la anatomía humana y la de algunos animales como león, caballo, oso y gorila entre otros. Se trata de un trabajo realizado por Benjamin Waterhouse Hawki ...
Osmosis and diffusion are in some ways alike. This experiment will be covering diffusion. The sodium hydroxide will mix with the phenolphthalein agar cubes and diffuse into the cubes. You will be able ...
Hipervinculo Biología
Although the use of coffee for ergogenic purposes is socially accepted, it is addictive. When consumed on a daily basis, the body develops a tolerance. With this addiction comes withdrawal syndrome: C ...
Hipervinculo Biología
On the informational level, this experiment serves to acquaint students with basic information on the growth of bacteria, their prevalence in our environment, and the conditions under which bacteria c ...
Hipervinculo Biología
Bioluminescence describes the enchantingly surreal nature of a living organism that produces light. Many sea creatures possess this quality, but land animals such as fireflies are also known to exhibi ...
Hipervinculo Biología
This project examines the influence of the phase of the moon on moisture capillarity in garden soil. The goal is to have the student test a hypothesis about seed germination and the phases of the moon ...
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