<span>There Are Four Main Arthropod Families.
Arthropods Account for 80 Percent of All Animal Species
Arthropods Are a Monophyletic Animal Group
The Exoskeleton of Arthropods Is Composed of Chitin</span>
Answer:
1. Location
2. Place
3. Human-environment interaction
4. Movement
5. Region
Answer:
Unfavourable climate
Explanation:
Africa mainly in the Northern parts face a problem of unfavourable climate is too much sunshine that leads to drought and starvation
