What is this a drawing of?

Explanation:

This is a drawing of cell membrane which is the top-most layer of animals cells while the second layer of plant cells.

1 => Lipid Bilayer

2 => Hydrophobic tail (non-polar) of phospholipids

3 => Hydrophilic head (polar) of phospholipids

Hope this helped!

emerald ash borer

the emerald ash borer is a green buprestid or jewel beetle native to north-eastern asia that feeds on ash species. females lay eggs in bark crevices on ash trees, and larvae feed underneath the bark of ash trees to emerge as adults in one to two years. hope this !