Analogous. This means they share a similar function (flight) but do not have the same embryonic origin.
The answer would be sandstone
I don't think so much for all your friends and family
Answer: PHYSICAL change
Explanation: chemical changes usually have to do with air and pollution and things like that.
The evolution of organisms are based on the resources available in order for it to be capable of growth still. In the given choices above, the substance or chemical that changed over time is the supply of carbon dioxide which is an essential substance for photosynthesis. Thus, the answer the first choice.