Browsing: Biology 5090

13.1 Excretion Describe excretion as the removal of toxic materials and the waste products of metabolism from organisms? Excretion is…

12.1 Disease Describe a pathogen as a disease-causing organism? Typically, the term pathogen is used to describe an infectious microorganism or agent, such as…

11.1 Circulatory system Describe the circulatory system as a system of blood vessels with a pump and valves to ensure…

8.1 Diet  List the principal sources of, and describe the dietary importance of, carbohydrates, lipids, proteins,vitamins (C and D only),…

10.1 Respiration Describe respiration as the chemical reactions in all living cells that release energy from glucose? Respiration is a…

9.1 Human gas exchange Describe the features of gas exchange surfaces in humans, limited to: large surface area, thin surface,good…

6.1 :Photosynthesis Understand that photosynthesis is the process by which plants make carbohydrates from raw materials using energy from light?…

Diffusion “Diffusion is the movement of molecules from a region of higher concentration to a region of lower concentration down…

How Organisms are Classified There are millions of species of organisms on Earth A species is defined as A group of organisms…