Answer: Directional selection occurs when individuals with traits on one side of the mean in their population survive better or reproduce more than those on the other. ... Directional selection does the “heavy lifting” of evolution by tending to move the trait mean toward the optimum for the environment.
Answer: An essay is a common type of academic writing that you'll likely be asked to do in multiple classes. Before you start writing your essay, make sure you understand the details of the assignment so that you know how to approach the essay and what your focus should be. Once you've chosen a topic, do some research and narrow down the main argument(s) you'd like to make. From there, you'll need to write an outline and flesh out your essay, which should consist of an introduction, body, and conclusion. After your essay is drafted, spend some time revising it to ensure your writing is as strong as possible.
Answer:
it is Basic brooooooo. No B NOT C AND NOT D. oNly A
Teeth helps to make the food into small particles.Without make them small we can’t digest them and swallow properly.
Hence teeth is essential for digestion.This process takes in mouth.
The basic difference is that eukaryotic cells have a nucleus and prokaryotic cells do not have a nucleus.
