I would go with A, they inherited the wings even though they don't need them today, since evolution has changed the Ostrich in some way.
1. frogs can hop
2. tadpoles have gill and frogs can breath on land and in the water
Answer:
Our bodies consist of a number of biological systems that carry out specific functions necessary for everyday living. The job of the circulatory system is to move blood, nutrients, oxygen, carbon dioxide, and hormones, around the body.
Explanation:
Answer:
Yes! The correct answer is smog production
Explanation:
Actually, Smog refers to heavily stagnant air formed by the mixture of nitrogen oxides with hydrocarbons released to the atmosphere from the exhaust of automobiles.
Thus, smog production is ABSOLUTELY A NON-ORGANIC process i.e it does not involve any activity of living organisms like microorganisms. So, all the processes mentioned above involved microorganisms EXCEPT SMOG PRODUCTION
Answer:
options B...C...D hope this helps
Explanation:
