Requirements for Life Flashcards
1
Q
Maintaining boundaries
A
Separation between inside and outside of organism
Ex. plasma membrane, skin
2
Q
Movement
A
Muscular system allows for skeletal movement
Ex. via blood (cardiac muscle), smooth muscle
3
Q
Responsiveness
A
The ability to sense and respond to stimuli
Ex. “Withdraw reflex” (spinal reflex), control of breathing rate
4
Q
Digestion
A
The breakdown of ingested foodstuffs, followed by absorption of simple molecules into blood
5
Q
Metabolism
A
The sum of all chemical reactions, both catabolic and anabolic
6
Q
Excretion
A
The removal of wastes from metabolism and digestion
Ex. urea, CO2, feces
7
Q
Reproduction
A
The division of cells for growth and repair, the production of offspring
8
Q
Growth
A
The increase in size of a body part or of an organism
