Answer: The member of two different species possess similar looking structure that in a similar way perform same function is homology.
Explanation: The term homology describes shared ancestry pair of structures. For example, apes and dogs are different and the arms of ape and forelegs of a dog are derived from ancestry tetrapod structure that perform similar function like aiding locomotion.
It doesnot have a nucleus to increase the surface area
Explanation:
Red blood cells carry oxygen from our lungs to the rest of our bodies .Then they make the return trip, taking carbon dioxide back to our lungs to be exhaled.
When a scientific experiment is carried out in a controlled setting, all variables are kept the same except for the C. experimental. Experimental variables are the things you are studying in the experiment and it is the only variable you can change.