Shrubs are more widespread than trees in nature and on Earth. ... This makes it easier for shrubs to grow since it helps them transport water and nutrients more rapidly to leaves and growth processes. Available studies in nature support the team's model. Shrubs also have a larger bark area than a tree of similar size.

Which is the correct order in primary succession?

The labels I-VII represent the different stages of primary succession. I-bare rocks, II-pioneers (mosses, lichen, algae, fungi), III-annual herbaceous plants, IV-perennial herbaceous plants and grasses, V-shrubs, VI-shade intolerant trees, VII-shade tolerant trees.

What are the causes of secondary succession?

Secondary succession follows a major disturbance, such as a fire or a flood. The stages of secondary succession are similar to those of primary succession; however, primary succession always begins on a barren surface, whereas secondary succession begins in environments that already possess soil.