The first person to study heredity with pea plants was

Answer is in the photo. I can't attach it here, but I've uploaded it to a file hosting. link below! Good Luck!

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Gregor Mendel

Explanation: He's the scientist that first studied them and made great progress in genetics.

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.  

your body is trying to warm itself up. or more precisely, sensors in your skin send messages to your brain to generate heat to your body.