Inside Its Beak an Octopus Has a Rasping Tongue That

question 38

Multiple Choice

Inside its beak an octopus has a rasping tongue that is used to tear apart food.Which gastropod structure is this analogous to?

• A)Mantle
• B)Shell
• C)Radula
• D)Nephridium

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Definitions:

Genetic Differences

Variations in the DNA sequences among individuals, which contribute to the diversity of organisms' traits.

Environmental Differences

Variations in the physical, social, or cultural environment that can influence individuals' behavior and development.

Genetic Explanations

Descriptions or theories that attribute the cause of certain traits, behaviors, or conditions to genes and hereditary factors.

Heritability Estimates

Statistical measures that indicate what proportion of variance in a trait among individuals in a population can be attributed to genetic differences.