<span>rift valley is formed on a divergent plate boundary, a crustal extension, a spreading apart of the surface, which is subsequently further deepened by the forces of erosion. 
hope this helps please award brainly :)
</span>
        
             
        
        
        
Seeing that our species is constantly evolving, maybe it is starting to get more uncomfortable to walk on all fours.
        
             
        
        
        
Answer: Dogs are Biotic factors. They are usually domesticated and are house pets. Dogs are living creatures and need food and water to live. What is the abiotic factors of a dog? Abiotic factors are the nonliving parts of an organism’s habitat. These factors include sunlight, soil, temperature, oxygen, and water.
Explanation: Hope this helps :)
 
        
             
        
        
        
Answer:
 A relationship between unrelated organisms in which oneorganism get benefit and the other is not affected is known as commensalism.
Explanation:
 In commensalism organism live in a symbiotic association. the best example is the growth of epiphytes on the top or surface of orchid plants. The epiphytes obtain nutrients from orhids while in return orchids have no benefit from epiphytic plants.
        
             
        
        
        
Answer:
The relationships that organisms have with one another are an important part of the balance among species within ecosystems. Which type of symbiotic relationship occurs when ecological niches overlap and multiple organisms seek the same resources?
Competition
Explanation:
Competition entails when ecological niche overlaps and many organisms seek for the same resorces hence leads to competition and overcrowding.