Question

Diversification in plant life appeared initially

• A. Due to long periods of evolutionary changes
• B. Due to abrupt mutations
• C. Suddenly on earth
• D. By seed dispersal

Answer 1

The correct option is A

Due to long periods of evolutionary changes

The correct option is A.

The explanation for the correct options:

1. Initially, diversification in plants took place due to long periods of evolutionary changes.
2. Diversification is one of the components of evolution.
3. The plants first grew as thalloid, that is, exhibiting no stems, roots, vascular tissues, and leaves.
4. The occurrence of such evolutionary changes may have taken a longer time duration.
5. The evolution occurred through various complexities.

The explanation for the incorrect options:

Option B:

The mutation is one of the causes of evolution, which further results in diversification.

Option C:

Diversification cannot take place suddenly on Earth, however, it takes place through an array of evolutionary modifications, which occurred for a long duration.

Option D:

Diversification could have not taken place by seed dispersal, as the plant first appeared as thalloid, that is, possessing no seeds, leaves, roots, and vascular tissues.

Final answer: Diversification in plant life appeared initially due to long periods of evolutionary changes.