New, inheritable characteristics can result from the recombination of genes during meiosis and <span>mutations in the genes found in sex cells. The correct option among all the options that are given in the question is the first option. I hope that this is the answer that has actually come to your desired help.</span>
It's option B.
I'm sure about that.
<h3>The vertebrate digestive system consists of a two-way tube with...</h3><h3>
</h3>
B. A one-way tube with a separate mouth and anus and accessory organs.
Answer: The Universe formed at a central point :)
Explanation:
I don`t know for sure if this will work, but try the Amoeba Sister. I find them very helpful. :3
Answer:
D. to protect the cell from harmful substances in the environment
Explanation:
Cell membrane is also known as plasma membrane is a biological membrane that differentiate the internal organelles of the cells from the outside environment. Cell membrane is made up of phospholipid bilayer with embedded proteins.
The main or primary function of cell membrane is to protect cell from harmful substances in the environment as it is the outer convering of the cell. cell membrane regulates movement of substances in and out of cells which restricts entry of harmful substances and hence called as selectively permeable membrane.
Hence, the correct option is D.