I believe that it's Bilateral symmetry. Hope it's right. :)
If you don’t, you’ll either pass out or die.
Lasts are used for photosynthesis .
They have a double membrane around them.
The space inside is called the stroma. The space may contain starch grains and lipid bodies.
In the stroma are structures called thylakoids.
The thylakoids are stacked to form structures called grana.
The grana contain the pigment chlorophyll along with some secondary pigments.
The present system of binomial nomenclature<span> identifies each species by a scientific name of </span>two<span> words, Latin in form and usually derived from Greek or Latin roots. The first name (capitalized) is the genus of the organism, the second (not capitalized) is its species.</span>