Snails are not considered B. autotrophs
The first line of defense in plants is an intact and impenetrable barrier composed of bark and a waxy cuticle. Both protect plants against herbivores. Other adaptations against herbivores include hard shells, thorns (modified branches), and spines (modified leaves).
Answer:
are natural world,based on a body of fact that have been repeatedly confirmed through observation and experiment.
Explanation:
the are realiable account for the real world