Answer:
common ancestor.
Explanation:
when two groups of organism are related it means they share a common ancestry but may be they are not a direct parent but can relate to there far back generation.
Evidence from fossil's records are used to study that today how much organisms have changed themselves according to the environmental changes on earth. DNA and genetic codes mainly shows the shared common ancestry.
The movement of substances (as by diffusion) across a cell membrane without the expenditure of energy.
Answer is
body-brain barrier.
Explanation:
Mannitol injection is used to reduce swelling ande pressure around the brain.
It enhances flow of water from tissues including cerebrospinal fluid and the brain into plasma and interstitial fluid.
You didn’t show the “following”
Answer:
They can have children together. If they are married or in a relationship they can do anything they want together including the want of children.
Explanation:
