Biological Sciences

What are the different kinds of leaves?
Palmate leaves are composed of small leaflets that connect at a shared point and spread out like the fingers on a hand....
What is the difference between diffusion and osmosis?
When water dissolves another substance, it is because the polar water molecules and the solute attract one another. Each...
Plant Cell Model?
Where is the nucleus? Are ribosomes only found on the rough endoplasmic reticulum? You can make a biology lesson interactive...
What kinds of animals lay eggs?
Animals that lay eggs are known as oviparous animals and include fish, birds, reptiles and insects. These types of animals...
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