Answer:
Cd, Cr, Cu, Hg, Pb, and Zn
<span>During the process of meiosis, dna is replicated once, followed by two nuclear divisions.</span>
Answer:
endosymbiosis.
Explanation:
By the beginning of the 20th century, researchers thought that plastids and mitochondria could come from bacteria. These would have been ingested by primitive cells and live within them in symbiosis.
Answer:
The grey squirrel has increased their rate of emigration to the UK