#6 is A. They are all composed of one or more cells.
Answer: I would go with B. Here’s why: An index fossil is usually easily recognizable, and underwent a wide geographic distribution. What leads me to believe B is the correct answer, is because it’s something that existed “ all over the world”.
Answer:
The baby is a male. XY = male, XX = female.
Explanation:
Hope this helps.
ATP
Explanation:
ATP is produced in the cells and its conversion to energy is a single-step process.
Identical twins are formed through the process of meiosis where a fertilised egg separates to form two identical cells with a common genetic information.
Fraternal twins on the other hand are developed from the fertilisation of two different eggs and two sperm cells. This type of twins possess unique genetic information.