yes, coral polyps are a keystone species. it would be a keystone species because it is important in order for the coral to thrive.
These animals were preyed upon by equally large carnivores such as saber toothed cats, cave bears and dire wolves.
Btw it's (QUATERNARY) *
Dideoxynucleotides are chain-elongating inhibitors of DNA polymerase, used in the Sanger method for DNA sequencing.
Answer:
The Human Immune system helps fight bacteria and germs and viruses because without the Immune system we could die it is what protects us from The flu and sometimes cov id with a weak immune system we might no survive.
Explanation:
<span>polar heads outside the cell
non polar head inside the cell</span>
