Organisms Which Get Their Carbon from Other Organisms Are

question 39

Multiple Choice

Organisms which get their carbon from other organisms are:

• A)autotrophs
• B)chemotrophs
• C)phototrophs
• D)heterotrophs

---

Definitions:

Alpha Level

A threshold set in statistical hypothesis testing, below which a null hypothesis is rejected, often set at 0.05.

One-Tailed Statistical Test

A hypothesis test that predicts the direction of the expected difference or relationship between variables.

Ratio Scale

A scale of measurement in which there is an absolute zero point, indicating an absence of the variable being measured. An implication is that ratios of numbers on the scale can be formed (generally, these are physical measures such as weight or timed measures such as duration or reaction time).

Ordinal Scale

A measurement scale that categorizes variables based upon their order or rank, without specifying the exact differences between ranks.