Answer:
Ventral
Explanation:
This is because when you want to dissect a pig, it's back is place on a dissecting tray and it's belly side is up which is the ventral side. With the ventral side, dissection will be easy and the major organs and systems can be observed easily as they will be rightly viewed because they are obvious and rightly placed at belly side up.
D. 99% of all living things that have ever existed are now extinct
Brown tan or rusted colored
The particles are locked in space. they are compactly arranged.