Which of the following is a accurate depiction of primary ecological succession?

This question lacks options, however, primary succession will be explained for detailed comprehension.

Explanation:

Ecological succession is the gradual series of changes that occurs in an ecosystem, charging it's structure and composition over time. It is of two types namely; primary and secondary successions.

Primary succession is characterized by the "LACK OF NO SOIL". It begins on a barren piece of land e.g rocks, with no form of life previously known to colonize the area. In primary succession, the barren land is first colonized by organisms such as lichens etc., which are collectively regarded to as PIONEER SPECIES.

snakes have two venomous glands.

Explanation:

Snake toxins vary greatly in their functions. The two broad classes of toxins found in snake venoms are neurotoxins (mostly found in elapids) and hemotoxins (mostly found in viperids).