Archive for May, 2008

What is Photosynthesis?

May 18th, 2008 by Admin


In a nutshell, photosynthesis is the biological process in which plants capture light and use that energy to make glucose. The sun provides this energy for chlorophyll to change molecules of carbon dioxide and water into glucose. The plants take in the oxygen and release carbon dioxide. Oxygen is also released in this reaction.
The reaction […]

What is the most venomous animal?

May 12th, 2008 by Admin


First, we should address the difference between venomous and poisonous. Most poisonous animals have toxins on or in their skin. They may secrete toxins that would be deadly to the touch - for either humans or other animals. So for poisonous animals, many scientists agree that the poison dart frog and some salamanders are the […]

Do dogs only see in black and white?

May 3rd, 2008 by Admin


Not entirely. It is generally agreed that dogs can distinguish fewer colors than humans, but their vision isn’t entirely restricted to black and white. Rods and cones are the two types of receptors in the retina that most of us have heard of. The rods are more light sensitive and help for seeing in low […]