AP BIOLOGY

Detailed explanation-1: -Ecological succession is the process by which the mix of species and habitat in an area changes over time. Gradually, these communities replace one another until a “climax community”-like a mature forest-is reached, or until a disturbance, like a fire, occurs. Ecological succession is a fundamental concept in ecology.

Detailed explanation-2: -Nothing remains the same and habitats are constantly changing. In the ecological succession the biomass overall decreases. There are two main types of succession, primary and secondary. So the correct option is ‘Species diversity, biomass increases’.

Detailed explanation-3: -Succession is the change in either species composition, structure, or architecture of vegetation through time. Vegetation has three important aspects that are subject to change. Species composition includes the roster of the species. There can be many or few species in vegetation.

Detailed explanation-4: -Succession is a series of progressive changes in the composition of an ecological community over time.

Detailed explanation-5: -Which of the following is true of ecological succession? Pioneer organisms move into new communities first.