Answer:
There's longitudinal,circular and obligue (diagonal)
Explanation:
These muscles allow the stomach to churn the food during digestion.
Layer D is the youngest layer
Answer:1 : substratum. 2 : the base on which an organism lives the soil is the substrate of most seed plants. 3 : a substance acted upon (as by an enzyme)
The number of species on Earth tagged at 8.7 million as of 2011.
Organisms that cause disease are carriers. Such as ticks, fleas, lice.
