Answer:
It is B
Explanation:
Because absorption occurs when the simple nutrient molecules that result from digestion are absorbed into blood or lymph.
Answer:
541 million years ago with the Cambrian explosion, an extraordinary diversification of marine animals, and ended about 252 million years ago with the end-Permian extinction, the greatest extinction event in Earth history.
source- Britannica
Explanation:
Answer:
Index Fossils
Explanation:
Index fossils are used by scientists to help them figure out the dating of discovered fossils or the correlation. They are also very known to appear in a (very) certain/specific age range.
Hope this Helps!
Answer: b)Steroid hormone receptors are located within the cytoplasm of a cell.
Explanation: Steroid hormones are the element present in the body that provides management in inflammation, metabolism, illness resistant , improves immune function etc. They are obtained from the cholesterol. The particular receptors of the steroid hormone is located at the cytoplasm.
Other options are incorrect because steroid hormone binds the certain receptors only not neurotransmitters .It does not have domain of 20 trans-membrane and is bound to ligand for activation.Thus , the correct option is option(b).
It originally cme form the rocks
