Biology Essays

The reality that we create is unique to our own experiences. What is real? What is reality? The notion of reality is inextricably linked to the subjectivity of individual human existence. Reality is defined as the state of being real; what we can perceive through our senses. In essence, reality …

You are driving to the movies with your friends on a Friday night. You have just left Dairy Queen™ with a huge Blizzard®. Please be able to explain: Seven parts of the brain that you are using. The functions of the structures you listed. Neurotransmitters you are using and their …

Unlike the abdominal viscera, the thoracic viscera are separated into two cavities by an area called the mediastinum. What is the clinical importance of this compartmental arrangement? The clinical importance of this compartmental arrangement is that the mediastinum region contains a lot of major and essential parts of the human …

Compare and contrast directional selection and disruptive selection, and provide an example of each. Both of these show the distribution of phenotypes. In directional selection, the distribution of phenotypes forms a “bell curve.” Selection against one of the extreme phenotypes causes the distribution to move in one direction or the …

Macroevolution refers to major evolutionary changes over time, the origin of new types of organisms from previously existing, but different, ancestral types. Examples of this would be fish descending from an invertebrate animal, or whales descending from a land mammal. The evolutionary concept demands these bizarre changes. Microevolution refers to …

Describe the basic anatomy of the human body affected by assisting and moving The human body is only able to assume it’s different posture and maintain its structure due to the skeletal system. The skeletal system is made up of bones which have an outer hard cortical layer and an …

Mg2+ has 10 electrons. A magnesium atom has 12 electrons with 2 of the 12 being valence electrons. Therefore the atom will lose the valence electrons which are located on the outermost shell to stabilize itself (outermost shell) as atoms tend to do what it easiest. Since magnesium lost 2 …

How many millions of years ago did humans diverge from apes? 6 million years ago As recently as 50,000 years ago, there were _4_ different kinds of humans. What species of Homo migrated out and populated the Middle East? _Homo erectus _ What species of Homo migrated out and populated …

What is DNA? Where is it found? DNA is the basic building blocks of the genetic makeup, and is found in a variety of places in the body such as: blood cells, skin cells, tissues, muscles, bone, teeth, hair, and saliva. What is mitochondrial DNA? Mitochondrial DNA is a small …

History and Evolution of Early Childhood Education Care and Development in Trinidad and Tobago Trinidad and Tobago is a small twin island country located in the south of the Caribbean. Prior to independence from Britain in 1962, Trinidad was colonized and brought under Spanish, French and later, British rule (Educational …