Answer:
animals will use sound, colors, and stance. Another way would be by leaving their imprint or mark on their territory. For example a dog peeing on an area they used.
Explanation:
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There are sometimes similarities in the embryonic stages of organisms that do not exist in the adult stages.
Answer:
The galaxies are moving away from Earth because the fabric of space itself is expanding. While galaxies themselves are on the move — the Andromeda Galaxy and the Milky Way, for example, are on a collision course — there is an overall phenomenon of redshift happening as the universe gets bigger.
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The smallest functional unit of the kidney that can perform all the functions is called the Nephron.
Answer:
Isotonic contractions maintain constant tension in the muscle as the muscle changes length. This can occur only when a muscle's maximal force of contraction exceeds the total load on the muscle. Isotonic muscle contractions can be either concentric (muscle shortens) or eccentric (muscle lengthens).
