Podcast
Questions and Answers
What are the processes that perform the maintenance job in living organisms called?
What are the processes that perform the maintenance job in living organisms called?
Life processes
What is the process called that transfers a source of energy from outside the body of an organism to the inside?
What is the process called that transfers a source of energy from outside the body of an organism to the inside?
Nutrition
Why is energy needed for the maintenance job in living organisms?
Why is energy needed for the maintenance job in living organisms?
To prevent damage and break-down
What kind of molecules do most food sources for organisms on Earth contain?
What kind of molecules do most food sources for organisms on Earth contain?
Why do different organisms use different kinds of nutritional processes depending on the complexity of carbon sources?
Why do different organisms use different kinds of nutritional processes depending on the complexity of carbon sources?
Why are a series of chemical reactions in the body necessary for converting energy from food into usable forms?
Why are a series of chemical reactions in the body necessary for converting energy from food into usable forms?
What do we call the process of acquiring oxygen from outside the body and using it in the break-down of food sources for cellular needs?
What do we call the process of acquiring oxygen from outside the body and using it in the break-down of food sources for cellular needs?
Why might a single-celled organism not need specific organs for taking in food, exchange of gases, or removal of wastes?
Why might a single-celled organism not need specific organs for taking in food, exchange of gases, or removal of wastes?
Why is a transportation system needed in multi-cellular organisms for carrying food and oxygen from one place to another in the body?
Why is a transportation system needed in multi-cellular organisms for carrying food and oxygen from one place to another in the body?
What are the by-products created when chemical reactions use the carbon source and oxygen for energy generation?
What are the by-products created when chemical reactions use the carbon source and oxygen for energy generation?
Why are waste by-products needed to be removed from the body and discarded outside?
Why are waste by-products needed to be removed from the body and discarded outside?
Why does a transportation system in multi-cellular organisms need to transport waste away from cells to excretory tissues?
Why does a transportation system in multi-cellular organisms need to transport waste away from cells to excretory tissues?
