Podcast
Questions and Answers
What is the primary effect of increasing the number of cells in a complex body plan?
What is the primary effect of increasing the number of cells in a complex body plan?
- Having no effect on the ratio of outer surface area to total volume
- Decreasing the ratio of outer surface area to total volume (correct)
- Increasing the ratio of outer surface area to total volume
- Maintaining a constant ratio of outer surface area to total volume
What is the purpose of specialized surfaces in complex body plans?
What is the purpose of specialized surfaces in complex body plans?
- To increase the volume of bodily fluids
- To decrease the rate of bodily fluid movement
- To facilitate the movement of bodily fluids (correct)
- To decrease the surface area of exchange surfaces
What is the function of interstitial fluid in complex body plans?
What is the function of interstitial fluid in complex body plans?
- To provide structural support to cells
- To regulate body temperature
- To facilitate exchange between the circulatory fluid and cells (correct)
- To transport oxygen to cells
What is the level of organization above organs in complex body plans?
What is the level of organization above organs in complex body plans?
What is the functional unit of organization above tissues in complex body plans?
What is the functional unit of organization above tissues in complex body plans?
What is the term for the fluid that fills the spaces between cells in many animals?
What is the term for the fluid that fills the spaces between cells in many animals?
What is the primary function of epithelial tissue in the body?
What is the primary function of epithelial tissue in the body?
Which type of tissue is responsible for forming the contractile wall of the heart?
Which type of tissue is responsible for forming the contractile wall of the heart?
What is the primary function of connective tissue in the body?
What is the primary function of connective tissue in the body?
Which type of tissue is characterized by a sparse population of cells scattered through an extracellular matrix?
Which type of tissue is characterized by a sparse population of cells scattered through an extracellular matrix?
What is the term for an animal that uses internal control mechanisms to regulate internal changes in response to external fluctuations?
What is the term for an animal that uses internal control mechanisms to regulate internal changes in response to external fluctuations?
Which type of tissue is responsible for forming a barrier against pathogens and fluid loss?
Which type of tissue is responsible for forming a barrier against pathogens and fluid loss?
What is the primary factor that determines the rate of exchange of materials in an organism?
What is the primary factor that determines the rate of exchange of materials in an organism?
Why is it necessary for a multicellular organism to have a suitable aqueous environment?
Why is it necessary for a multicellular organism to have a suitable aqueous environment?
What is the advantage of a sac-like body plan in a pond-dwelling hydra?
What is the advantage of a sac-like body plan in a pond-dwelling hydra?
What is the primary reason why a parasitic tapeworm has a thin, flat shape?
What is the primary reason why a parasitic tapeworm has a thin, flat shape?
What is the relationship between cell volume and the amount of material that must be exchanged to sustain life?
What is the relationship between cell volume and the amount of material that must be exchanged to sustain life?
What is the characteristic of a single-celled organism, such as an amoeba, that allows it to exchange materials with its environment?
What is the characteristic of a single-celled organism, such as an amoeba, that allows it to exchange materials with its environment?
Flashcards are hidden until you start studying
