Answer:
The esophagus is a long tube that connects the mouth to the stomach
Assuming you mean living matter
All living matter is produced by other living matter
Antisocial attitude
depression
mood swings
social anxiety
those are the only things I could think of..
Theirs no picture to look at what fossil are you talking about
Answer:
The correct answer is - increase in frequency.
Explanation:
According to the theory of Darwin, organisms most likely survive and reproduce in an ecosystem that is able to change or adapt to the changes in the ecosystem.
According to the modern evolutionary theory that the genes that are responsible for new changes or traits that help a species to reproduce and survive in a particular environment increase in frequency and the genes do not helps decrease in frequency.
