10 questions
All cells need to maintain ______________ to function (stay alive).
Reproduction
Homeostasis
Photosynthesis
Identify basic examples of homeostasis.
Balanced rate of absorbing and using food + oxygen
Steady regulation of heart rate and body temperature
Movement of water molecules through a cell membrane
Osmosis is the movement of water molecules through a cell membrane. Why does this help maintain homeostasis?
All cells need a particular amount of water to live
Too much or little water can damage or kill a cell.
Cells don’t need to regulate how much water they have.
What was the point of the “Gummy Lab”?
To demonstrate cellular respiration
To demonstrate osmosis
To demonstrate homeostasis
Identify an explanation of the process of photosynthesis.
Produces food (glucose)
Produces oxygen
Happens in all cells
Identify the organelle(s) directly involved with photosynthesis.
Mitochondria
Chloroplast
Nucleus
Describe the relationship of photosynthesis and cellular respiration.
Complementary
Dependent
Identical
The element carbon moves through different forms and levels within living systems. Which processes directly involve carbon in some form?
Photosynthesis
Cellular respiration
Osmosis
Identify the organelle(s) directly involved with cellular respiration.
Mitochondria
Chloroplast
Nucleus
The use of sunlight as a catalyst for photosynthesis, followed by the storage of chemical energy in food (glucose), are prime examples of ___________________.
Mitosis
Carbon cycle
Energy transformation