If you get a blood transfusion does your anatomy change?

What are the four basic classes of organic molecules how do they differ structurally and functionally

What was the land like over 500 million years ago? what was under the sea?

Which best describes this behavior? it is beneficial only to the males that do not fertilize eggs. it is beneficial only to the female workers that are not fertilized. it is beneficial to each one of the individual colony members. it is beneficial to the whole species, but not to all of the individual members.