Living Environment - Multiple Choice
which statement best describes an activity that will contribute to the maintenance of homeostasis in an organism?
A desert rattlesnake enters an underground burrow on a hot summer day
The passage of the end products of digestion into the cells of an organism is an example of...
Absorption
If a human system fails to function properly, what is the most likely result?
Disturbance in homeostasis
As a result of their metabolic activities, many organisms produce harmful substances. These substances are eliminated by the process of...
Excretion
The process that removes metabolic waste products from an organism is known as...
Excretion
When a person does strenuous exercise, small blood vessels (capillaries) near the surface of the skin increase in diameter. This change allows the body to be cooled. These statements best illustrate...
Homeostasis
The breathing rate, heart rate, and blood hormone levels of a human would most likely provide information about the human
Metabolism
Which process includes the other three? (Synthesis, Excretion, Nutrition)
Metabolism
Which term is defined as all the chemical reactions that are required to sustain life?
Metabolism
Stained yeast was added to a paramecium culture, and some of the yeast were ingested by the paramecium. This activity is most closely associated with which life function?
Nutrition
Nutrients involves those activities by which organisms
Obtain and process materials needed for other activities
What life activity is NOT required for the survival of an individual organism?
Reproduction
By which process is the potential energy of organic molecules transferred to a form of energy that is useable by the cells?
Respiration
Which life function is primarily involved in the conversion of the energy stored in organic molecules to a form directly usable by a cell?
Respiration
In which process are simple materials chemically combined to form more complex materials?
Synthesis
Organisms combine simple molecules to form complex molecules by the process of...
Synthesis
Proteins not ingested by humans are found in human cells. The presence of these proteins is most directly a result of
Synthesis
The absorption of fluids by various cells of the human body in part of the life function known as...
Transport