When Hermit Crabs Crawl Across the Ocean Floor, They Often

question 15

Multiple Choice

When hermit crabs crawl across the ocean floor, they often have sea anemones attached to their backs. The anemones use their dangerous tentacles to keep hermit crab predators at bay, and they dine on the particles of food that the crab does not eat. This is an example of

• A) bioremediation.
• B) alternation of generations.
• C) symbiosis.
• D) endosymbiosis.

---

Definitions:

Treatment Interactions

The effects that occur when the impact of one treatment varies depending on another variable or treatment.

Standardized Tests

Tests designed to be administered and scored in a consistent, or "standard", manner across different individuals and locations, often used for assessment in education.

Functional Assessment

A process of identifying the causative factors and purpose behind problematic behaviors to develop effective interventions.

Testable Hypotheses

Propositions or assumptions that can be verified or disproved through empirical testing or experimentation.