The diagram shows some of the stages in the germination of a seed. The figures show the total mass at each stage. Which process causes the increase in mass between stage 1 and stage 2? Absorption of water
Enzyme action on starch
Photosynthesis
Respiration

p

explanation:

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.  

since there are no options posted i'll give you a few examples.

a dolphin's flipper, bird's wing, cat's leg.

1. is geographic distribution

2 is increasing complexity

3 is transitional forms