Which type of lever class is involved when you lift your leg

first-class levers

Explanation:

For example, first-class levers allow you to lift your whole body weight with the relatively small leg muscles

chlorophyll a: this is the most abundant pigment in plants. chlorophyll a absorbs light with wavelengths of 430nm(blue) and 662nm(red). it reflects green light strongly so it appears green to us.

phylogenetic tree is the tree of life or evolution tree. it shows the different branches of evolution. the sequence goes like tissues - coelom - backbone - endoskeleton - segmentation