They're considered to be human like hands. They have a thumb like humans which allows them to grip onto trees and maneuver better. It also helps them with their grip onto branches and trees because they rarely come down from up there, so they need to be able to grip tightly even a sleep. I would say it's natural selection due to evolution.
Yes, no, no, yes. These answers of mine are correct because government/journals have evidence sites from other sources
Male reproductive system is mostly located outside to the body. The seminal vesicles are found only on the posterior wall of the bladder wall.
<h3>What are seminal vesicles?</h3>
Seminal vesicles are gland which is present in the male reproductive part and produces the fluid that makes semen.
These are located in the posterior wall of the urinary bladder. It is mainly associated with sperm formation.
Thus, it can be concluded that the male reproductive system is only found on the posterior bladder wall is seminal vesicle.
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Explanation:
Lichen is the best species to determine the pollution of air. They are highly sensitive to pollution and will barely be found growing on trees or rock in regions where the air has been polluted.
Worms are also a good indicators of pollution in the soil. Polluted soils will have very few to no worms.
Small invertebrates like the Caddisfly are used to determine pollution of water. They are very sensitive to water pollution and cannot be found in polluted waters. In addition toads and frogs are rare in polluted waters and air.
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D legislation was passed to regulate pollution
