Answer:
The animal kingdom is unique among eukaryotic organisms because most animal tissues are bound together in an extracellular matrix by a triple helix of protein known as collagen. Plant and fungal cells are bound together in tissues or aggregations by other molecules, such as pectin.
Explanation:
The ability to maintain different environments inside a single cell allows eukaryotic cells to carry out complex metabolic reactions that prokaryotes cannot. In fact, it's a big part of the reason why eukaryotic cells can grow to be many times larger than prokaryotic ones.
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The correct reference for the isotope of carbon that has 6 protons and 8 neutrons is carbon -14. (Solution: C)
Carbon-14, 14<span>C, also referred toa as radiocarbon, is a radioactive isotope.Its atomic nucleus contains 6 protons and 8 neutrons.
</span>It is used to estimate the date at which an organism died. The reason is b<span>ecause </span>carbon-14<span> decays at this constant rate.</span>
Answer:
Change in external environment is called stimuli. This stimuli encourage the response.
Explanation:
Response evoke internally when the stimuli is detected. Actually the internal environment fluctuates with external environment. Change in external environment try to bring out change in internal environment so to maintain Homeostasis is carried out.
Answer:
-usage of fossils as a base
-creation of tissue and muscle out of clay
Explanation:
- The Dmanisi boy was the image of the skull discovered in Dmanisi, Georgia and it was discovered in 2013.
- The skull was discovered to belong to Pleistocene Homo species.
- The facial reconstruction of the skull was done by Elisabeth Daynès and the process she used for the reconstruction included using the fossils available as a base and then clay was sued to mold the tissues and muscles to reconstruct and show how the Dmanisi boy might have looked.
