Burning down the forest to plant crops, and putting herbivores where the plants grow. Can't think of another one...
        
             
        
        
        
At some point in their life cycle, all chordates have a postanal tail, __Notochord ____, hollow nerve cord, and ___Pharyngeal slits___.
<h3>Chordates </h3>
Chordates are animals belonging to the phylum chordata they include vertebrates, lancelets and tunicates of which vertebrates are the most common. As they develop throughout their life time they posses certain characteristics at some point and they are; 
- Postanal tail
- Notochord
- hollow nerve cord
- Pharyngeal slits 
Hence we can conclude that At some point in their life cycle, all chordates have a postanal tail, __Notochord ____, hollow nerve cord, and ___Pharyngeal slits___.
Learn more about Chordates : brainly.com/question/1674644
 
        
             
        
        
        
Answer:
Nose , trachea , Larynx ears ,
Explanation:
Hope that helps 
 
        
                    
             
        
        
        
Answer:
major crops in permanent agriculture includes trees and shrubs.these are not totation crops,harvesting for more then five years.for example apple,citrus fruits,blueberry etc.
these crops need afuquate temperature and good soil for cutivation.
 
        
             
        
        
        
Answer: b 
Explanation:
forming a waterproof covering on feathers, leaves, and fruit.