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Fossils. You would look for fossils remains, as an evidence, that of plants or animals you would expect to find at you location, and those that are out of place.
In India, because is situated near equator, we could expect to find tropical flora fossils, not polar flora fossils in its rock. The polar fossils support the theory that India was formed near the south pole.
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Oxygen can get into the water in several ways: Oxygen from the atmosphere dissolves and mixes into the water's surface. Algae and underwater grasses release oxygen during photosynthesis.
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The phenomenon of unequal separation in meiosis is called nondisjunction. If nondisjunction causes a missing chromosome in a haploid gamete, the diploid zygote it forms with another gamete willcontain only one copy of that chromosome from the other parent, a condition known as monosomy.
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Emergent Properties at the Tissue Level. In multicellular organisms, cells are arranged into tissues or groups of similar cells that work together to perform a particular function. For example, a single epithelial cell cannot form a protective layer.
Plants absorb water from the soil by osmosis. They absorb mineral ions by active transport, against the concentration gradient. Root hair cells are adapted for taking up water and mineral ions by having a large surface area to increase the rate of absorption.
Uptake occurs around the root tip, into epidermal cells with their associated root hairs and into cells in the outer layers of the root cortex.
