Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. However, there are organisms that have more than two sets of chromosomes. The condition is called polyploidy. Know more about this topic through this tutorial...
This tutorial presents the benefits and the possible adverse eventualities of genetic engineering. Know more about this topic in this tutorial to be able to articulate the advantages and disadvantages of artificially manipulating genes...
It only takes one biological cell to create an organism. A single cell is able to keep itself functional through its 'miniature machines' known as organelles. Read this tutorial to become familiar with the different cell structures and their functions...
This tutorial elaborates on the physical development of humans, particularly from puberty to adulthood. Read this tutorial to know the specific physical changes that female and male bodies undergo as they turn into adults...
Certain species are capable of expressing characteristics indicative of the state of the ecosystem they occupy. They are called indicator species. Endangered species are those that face the risk of extinction. Get to know more about these species in this tutorial...