What similarities and differences occurred with natural selection in the picture below? (Don’t answer with links!)

Similarities are bony structure and body parts.

Differences are different size of bones and body parts.

Explanation:

The similarities occurs in these organisms are the bony structure of skeleton means that all these organisms has skeleton made of bones and have the same body structure means skull, two arms, two legs and ribcage etc while n the other hand, the main difference that occurs in their body is the different size of bones of different parts of the body. One has small body structure while the other has large body that happens due to natural selection and adaptation to the environmental conditions.

primary succession begins with a bare rock and ends with a forest secondary succession begins after a natural disaster where there is a temporary setback after a forest fire or local destruction, but the surrounding area can fill in

the glands which are associated with each description is given below: