Where heavy metals pesticdes move up the food chain and start to kill lower leveled species/ animals.
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1)Bilaterally symmetrical, and vermiform.
2)Body has more than two cell layers, tissues and organs.
3)Body cavity is a pseudocoel, body fluid under high pressure.
4)Body possesses a through gut with a subterminal anus.
5)Body covered in a complex cuticle.
6)Has a nervous system with pharyngeal nerve ring.
7)Has no circulatory system (no blood system)
8)Reproduction normally sexual and gonochoristic.
9)Feed on just about everything.
10)Live just about everywhere, many species are endoparasites.</span></span>
Hi there!
Cells that develop differently are known as specialized cells - they have different traits that allow them to more easily carry out specific bodily functions. For example, neurons are cells located in the brain that have electrical impulses, allowing them to carry information at extremely high speeds throughout the nervous system.
The answer is therefore C
Hope this helps!
Answer:
The correct answer is- Histone
Explanation:
DNA is approximately 2.2 m long thread which has to be adjusted in a microscopic nucleus so DNA must be in a supercoiled form to be present in the nucleus and this supercoiling of DNA is done on histone protein.
Histone protein is a positively charged protein that is made up of eight proteins so it is called histone octamer. Each histone has 2 copies of each protein that is H2A, H2B, H3, and H4.
DNA is negatively charged and histone protein is positively charged therefore DNA wraps around histone protein which causes the packaging of DNA. So the correct answer is histone protein.
I would say medicine that makes the immune system less effective so the likelihood of the immune system attaching the organ are decreased. Or the last option.