What is commensalism?

an association between two organisms in which one benefits and the other derives neither benefits nor harm

Explanation:

A frog using a plant as protection

commensalism is a symbiotic relationship where one organism benefits and the second is neither harmed nor helped ..

Explanation:

substitution is the answer in this case

answer: angiosperms

dicots

angiosperms are highly evolved plants, they produce seeds which are enclosed within in a carple. these are the largest group of plants on earth. they include trees, shrubs, herbs and small flowering plants. angiosperms exhibit a flowering stage in their life cycle. the flower serves the function of reproduction and fruit formation in majority of angiosperms. dicot is the term used to describe flowering plants that have two seed leaves. dicots are plants which develop seeds which split into two parts called cotyledons. each cotyledon contains one embryo.

here, a small purple flower development indicates that the plant belongs to angiosperms and having two embryonic leaves indicates it belongs to dicots.