Paleoanthropology uses the fossil record to examine the anatomy and behavior of our relatives in the past.
What is Paleoanthropology?
- By reconstructing evolutionary kinship lines within the family Hominidae using biological evidence (such as petrified skeletal remains, bone fragments, and footprints), paleoanthropology, also known as paleo-anthropology, seeks to understand the early development of anatomically modern humans, also known as hominization (such as stone tools, artifacts, and settlement localities).
- Primatology, palaeontology, biological anthropology, and cultural anthropology are all combined in one area.
- Genetics is becoming more and more important as technology and methodologies progress, especially when it comes to analysing and comparing DNA structure as a crucial tool for studying the evolutionary kinship lines of related species and genera.
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C) floatation
Floatation<span> is a separation process in which </span>minerals<span> that are valuable are separated from worthless material or other valuable </span>minerals<span> by inducing them to gather in and on the surface of a froth layer</span>
Answer: (D) all of the above.
Explanation:
The kidneys remove wastes and <u>extra water</u> from the blood to form urine. Urine flows from the kidneys to the bladder through the ureters.
<u>Ammonia is an extremely toxic base and its accumulation in the body would quickly be fatal.</u> The liver contains a system of carrier molecules and enzymes which quickly converts the ammonia (and carbon dioxide) into urea (waste).
Calcium excretion in the urine is a function of the balance between the calcium load <u>filtered by the kidneys</u> and the efficiency of reabsorption from the renal tubules.
The equation is balanced because the mass and charge are equal on both sides of the reaction equation.
In a nuclear reaction, one nucleus is transformed into another. In this case of the equation shown, the radon nucleus is being transformed into a polonium nucleus with the emission of an alpha particle.
The equation is balanced because a total mass of 219 is found on both sides of the reaction equation and a total charge of 86. Recall that an alpha particle is the same as a helium nucleus with a mass of four units and a charge of two units.
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Deficiency of calcium in plants causes reduced internode length and crinkled leaves.
Initial signs of calcium Deficiency include localized tissue necrosis that stunts plant growth and causes young leaves to curl or have necrotic leaf margins, and terminal buds and root tips to eventually die. New growth and tissues that are expanding quickly on the plant are typically the first to be harmed.
- These include boron, copper, iron, manganese, molybdenum and zinc. Most nutrient deficiencies are caused by a lack of nutrient content in the growing medium or nutrient solution
- Plants require calcium in order to develop new growth points and root tips. Symptoms of a deficiency include decreased growth in new leaf, buds, and roots. Younger leaves curl downward and develop tip burn, which is the browning of the leaf edges and tips.
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