While Exploring, You Find an Organism Washed Up on the Beach

question 28

Multiple Choice

While exploring, you find an organism washed up on the beach. While inspecting the organism, you find it has two tissue layers and is radially symmetric. What type of organism did you find?

• A) flatworms
• B) cnidarians
• C) roundworms
• D) clams
• E) fish

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Definitions:

Genetic Drift

A mechanism of evolution that results in the change of the frequency of alleles in a population due to random sampling of organisms.

Evolution

The process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.

Genetic Bottleneck

A genetic bottleneck is an event where a significant reduction in population size occurs, leading to a decrease in genetic diversity and a change in allele frequencies.

Tasmanian Devils

A carnivorous marsupial found in Tasmania, known for its strong jaws, loud vocalizations, and nocturnal habits.