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Author Question: Gene flow tends to keep populations from differentiating into distinct species when: a. there is ... (Read 267 times) |
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.
Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.