Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
27 Cards in this Set
- Front
- Back
|
What is an organism?
|
A living thing composed of one or more cells.
|
|
|
Unicellular
|
An organism composed of one cell, can carry on all the activities necessary for life
|
|
|
Multicellular
|
An organism composed of many cells.
|
|
|
What type of organism exhibits a division of labor?
|
Multicellular - different cells do different jobs.
|
|
|
What type of organization is found in multicellular organisms?
|
Cell
Tissue Organ Organ System Organism |
|
|
What is a cell?
|
The smallest unit of organisms that carry on the functions of life.
|
|
|
What is Metabolism?
|
The total of all cell activities.
|
|
|
What feature of life allows organisms to to continue to exist even though they are not immortal?
|
Reproduction
|
|
|
What is a stimulus?
|
Anything an organism responds to.
|
|
|
What is a Response?
|
The reaction to a stimulus?
|
|
|
Define Adaptation?
|
Any characteristic/trait that makes an organism better able to survive in its environment.
|
|
|
Define Homeostasis?
|
The regulation of an organism's internal environment.
|
|
|
Define growth?
|
Increase in size
|
|
|
Define Development?
|
Changes that occur during growth
|
|
|
Define life span?
|
The length of time an organism is expected to live.
|
|
|
Define Absorption.
|
Taking materials in through the cell membrane.
|
|
|
Define Circulation.
|
Transport of molecules through an organism.
|
|
|
Define Excretion.
|
Removal of wastes.
|
|
|
Define Digestion.
|
the breakdown of food into nutrients an organism needs.
|
|
|
Define Respiration.
|
Exchange of oxygen and carbon dioxide. The release of energy from food using oxygen.
|
|
|
What do plants need to carry on photosynthesis?
|
water, carbon dioxide, sunlight
|
|
|
What do plants produce during Photosynthesis?
|
Sugar and Oxygen
|
|
|
What is needed for respiration?
|
Sugar and Oxygen
|
|
|
What is produced from respiration?
|
Water, Carbon Dioxide, and ATP energy
|
|
|
What are the 4 basic needs of an organism?
|
1. Energy
2. Water 3. Oxygen 4. Minerals |
|
|
What is spontaneous generation?
|
The theory that living things are created from nonliving mattter.
(living from nonliving) |
|
|
What is Biogenesis?
|
The theory that lifeforms produce other lifeforms. (life from life)
|
