InThinking Subject Sites

Subscription websites for IB teachers & their classes

Find out more


Sitemap
Recommendations
Other subjects
Brochure

Disclaimer: InThinking subject sites are neither endorsed by nor connected with the International Baccalaureate Organisation.

Student access tools
 You need to log-in or subscribe in order to use Student access.

2.1 Individuals and Populations, Communities and Ecosystems

This subtopic introduces the fundamentals of ecology including the concept of a niche, population biology, measuring populations, carrying capacity, keystone species, biosphere integrity and planetary boundaries.At HL evolutionary relationships in taxonomy, the concept of a fundamental versus a realised niche and the evolutionary strategies of r-selected and K-selected species.

To access the contents of this site, you must subscribe.