11th Grade Biomes & Ecosystems Quizzes, Questions & Answers

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Biogeography is the study of the distribution of species and ecosystems in geographic space and through geological time. Organisms and biological communities often vary in a regular fashion along geographic gradients of...

Questions: 40 | Attempts: 102 | Last updated: Aug 19, 2025

Sample Question 1
Why are islands a topic of interest (4 correct answers)

Discrete boundaries, often small size: can study the entire biota

Many islands: replication is possible

Simplified community composition: fewer species, fewer trophic levels and other species interactions

Experimental systems: can be unintentional "experiments" or intentional manipulations

Few in number: Easy to characterize all

Temperature Variation: allows for broad range of data

Sample Question 2
Isolated islands have steeper species-area curves than mainland habitats of the same size. This is because isolated islands lose species at a higher rate as they get smaller than mainland habitats.

True

False

Sample Question 3
The Equilibrium Theory of Island Biogeography (ETIB) is a 'dynamic' tradeoff between rates of extinction and immigration.

True

False