Answer:
What causes genetic variation?
Genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism’s offspring).
Explanation:
PLZ mark brainliest also I hope this helps
Earth's crust is made of rock, and rock is made of natural substances called minerals. There are three main types of rock: sedimentary, igneous, and metamorphic rock. Each type is produced in different ways. The oldest rocks on Earth were formed about 3.8 billion years ago.
Answer:
im pretty sure its breathing
Explanation:
I think the correct answer from the choices listed above would be the second option. In multicell organisms, cells that work together to perform a certain function form <span>Organs. Hope this answers the question. Have a nice day. Feel free to ask more questions.</span>
Answer:
C
Explanation:
I don't got an explanation I just know
