The answer is rain percolates through the pavement into the ground below, causing cracks in the pavemen
Answer:
There are concrete evidences of chimpanzees in wild part of Tanzania do intake Vernonia amygdalina, which possess anti-parasitic properties and hence helps in treatment of parasitic infestations.
Explanation:
On critical scientific analysis of vernonia amygdalina, it is observed that vernonia contains various lactones and glucosides steroids which showed anti-parasitic property. But the self medication hypothesis is not at all agreeable. Because chimpanzees don't have such brain to judge which things has medicinal values or from which infections or diseases they are suffering. It is perhaps observed that vernonia taste bitter and often animal take bitter food that triggers in them the feeling of satiety or reverse peristalsis to get rid of excess food by vomiting.
Answer:
exoskeleton
Explanation:
An exoskeleton is the hard outer covering that supports and protects some animals without backbones.
Hope this helped!!!
Answer: Somatic nervous system
Explanation:
The voluntary nervous system or somatic nervous system the part of the PNS (peripheral nervous system) which is associated with the voluntary control of the body movements.
These movements are generally controlled by the skeletal muscles. It helps in various movements such as walking, bending, sitting, et cetera.
This nervous system consists of the efferent nerves and afferent nerves or we can say motor nerves that helps in controlling the movement of the body.
Tough cuticle made of proteins and chitin.
