Topic 19Biology
B4.2 Ecological niches
The ecological niche concept, modes of nutrition (autotroph, heterotroph, mixotroph) and the link between adaptation and niche.
123
The niche conceptSign up
Niche + fundamental vs realised · Competitive exclusion
30 min
Modes of nutritionSign up
Autotroph vs heterotroph and O₂ tolerance · Mixotrophs, saprotrophs, and archaea
35 min
Niche and adaptationSign up
Dentition and the herbivore-plant arms race · Predator-prey arms race and forest light niches
35 min