Positive ions from a base and negative ions from an acid form a it helps for example ypu have positive ions right well take my smart advice well the positive ions and the negative ions they combine together to make sulphour
excretory system: removes waste from blood.
respiratory system: obtains oxygen so the energy in the nutrients can be extracted.
circulatory system: transports nutrients from small intestine to the othet tissues.
nervous system: regulates and controls digestive functioning.
( Am not completly sure, but i think this is the answer)
Answer:
2 organisms can have the same physical traits but no matter what, every single living creature has different DNA. Like how twins can look the same but their DNA won't be exact.
Explanation:
The definition is:genetics definition<span>. The study of heredity, or how the characteristics of living things are transmitted from one generation to the next. Every living thing contains the </span>genetic material<span> that makes up DNA molecules. This</span>material<span> is passed on when organisms reproduce.</span>
