It means that they are classified into 2 different categories.
I am pretty sure it is B. diaphragm hope it help
Answer:
Sexual reproduction begins with sperm and egg cells, which are produced through a process called meiosis. ... Sexual reproduction occurs in both plants and animals. Among plants it is used most notably by flowering plants. The pollen grains of flowers contain the sperm
Explanation:
DNA replication is multiple DNA, while DNA just is one alone.
Division is basically a mathematical function that can be used to take parts of other numbers.
In division, there are two main things you have to remember, the dividend, or the number that is being divided into some part. The part is also called the divisor, or the number that is dividing the dividend.
Here is an example:
200 ÷ 100 => 100 is the divisor and 200 is the dividend
Here is how you solve it:
200 ÷ 100 = ?
Multiplication: what times 100 is 200? The answer is 2.
200 ÷ 100 = 2
Hope this helps and have a phenomenal day!