Digestion in Humans and Earthworms

question 52

Multiple Choice

Digestion in humans and earthworms

• A) is similar in that both organisms, digestion is an extracellular process, occurring in a complete digestive tract.
• B) is different in that earthworms have a sac plan body plan and humans have a tube within a tube body plan.
• C) is different in that digestion is an extracellular process in humans but an intracellular process in earthworms.
• D) is similar in that in both organisms, digestion is an intracellular process, occurring in an incomplete digestive system.
• E) is similar in that in both organisms, digestion occurs in a simple tract, in which all parts of the tract are similar.

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Definitions:

Null Hypothesis

A statistical hypothesis that assumes no significant difference or effect exists between certain datasets or conditions.

Independent Variable

A variable in an experiment that is manipulated to observe its effect on the dependent variable.

Dependent Variable

A variable in an experimental setup that is observed and expected to change in response to manipulations in the independent variable.

Random Error

Variability in data that arises from unpredictable fluctuations and cannot be attributed to any specific cause, affecting the precision of measurements.