5. Marine Organisms

Life Histories — Quiz

Test your understanding of life histories with 5 practice questions.

Practice Questions

Question 1

A marine species exhibits a reproductive strategy where females brood their offspring internally until they are miniature versions of the adults. Which of the following terms best describes this strategy, and what is its primary trade-off?

Question 2

The timing of larval release in many marine species is synchronized with specific environmental cues, such as lunar cycles or tidal patterns. What is the most significant ecological advantage of this synchronization for larval dispersal and recruitment?

Question 3

A marine biologist observes a species where larvae settle exclusively on a very specific type of coral, and if that coral is absent, settlement does not occur. This phenomenon is best described as:

Question 4

Which of the following best explains how oceanographic features like gyres and eddies can influence population connectivity in marine species with pelagic larvae?

Question 5

Which of the following reproductive strategies is characterized by a high fecundity, small offspring size, and minimal parental investment, often seen in unstable marine environments?