Adaptations occur as a result of the selection factors that forces an organism to evolve anatomies that might be beneficial and help them survive the harsh environment. Moreover, the relationship between the habitat and limb evolution is that the environment or habitat the organism is in drives the limb to evolve and be best suited for the current habitat.
The top three most serious complications are stillbirth, premature delivery, and low birth weight- all due to smoking whilst pregnant.
Answer:
1. symbiont
Explanation:
Symbionts are organisms interacting in a biological relationship that can be of the type mutualistic, commensalistic, or parasitic
In this case, there is a relationship of commensalism between two organisms: the human and the bacterium.
Commensalism is a relationship between two symbionts where one benefits and the other is not harmed or helped. Commensalism it is derived from the word commensal (old french), used for human social interaction. Sometimes the word commensal is used in biology, however, the term symbiont is used more frequently to refer biological relationships.
I’m not for sure but I believe it is A