<span>Homologous chromosomes exchange DNA during meiosis in a process called crossing-over. Crossing-over sometimes involves an unequal swapping of DNA. Basically one chromosome in the pair gets extra DNA.</span>
Real number : 8394000000
scientific notation : 8.394 x 10^9
Answer:
Susceptible to same diseases.
Explanation:
I just answered something along these lines.
Because, without them, the dead animal will just sit there. So, having decomposers gets rid of the remains of the animal, and that way they can eat too. Hope it helps good luck!