Answer:
Agriculture and domestication probably started in the Fertile Crescent (the Nile Valley, The Levant and Mesopotamia). ... People probably started agriculture slowly by planting a few crops, but still gathered many foods from the wild. People may have started farming because the weather and soil began to change.
Explanation:
Answer:
A.
Explanation:
Older fossils tend to lay in the lower levels of the ground. The further up the fossils are, the more likely you are to find something that looks like today. Think of it as stacking papers with different drawings on them from different ages. Oldest goes on the bottom, newest goes on the top. The older layer stands as more of a foundation point while newer layers are around where we are now.
The answer is; UV (ultraviolet)
The security pens use UV light to illuminate some marking on an object,such as a watermark, to identify its authenticity or owner. The markings are usually invisible to the naked eye under visible light. The marks are only visible when illuminated with UV light. This is because the marking is made of a fluorescent material that absorbs light of a shorter wavelength (this case UV) and emits a longer wavelength (this case visible light).
Answer:
Species 28 and 14
Explanation:
Take the species that has the greater number, and the subtract it with the number of the other species. Then you would be able to see how many new species evolved between them.
<span>There are many different types of cells in multicellular organisms. Of course, depending upon the type of organism the overall number and different types will vary. In general though for mammals the broad classifications would include epithelial, endothelial, connective, smooth muscle, striated muscle, cardiac muscle, neuronal, glial, and many others. They can also be referred to based on their own embryonic development into 3 broad classes endodermal, epidermal, and mesodermal.
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