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Citric acid
Citric acid is a weak organic acid found in citrus fruits. It is a natural preservative and is also used to add an acidic (sour) taste to foods and soft drinks. In biochemistry, it is important as ... > more -
Insects (including Butterflies)
Agriculture and Food
Food and Agriculture
Invasive Species
Endangered Plants
Soil Types
Boll weevil
The boll weevil (Anthonomus grandis) is a beetle measuring an average length of six millimeters (¼ inch). It remains the most destructive cotton pest in North America. By the mid 1920s it had ... > more -
Right whale
The right whales are marine mammals belonging to the family Balaenidae. Right whales are baleen whales belonging to the family Balaenidae. Three right whale species are recognized in the genus ... > more -
Horseshoe crab
The horseshoe crab (Limulus polyphemus) is an arthropod that is more closely related to spiders than crabs. Horseshoe crabs possess the rare ability to regrow limbs lost. Limulus has been extensively ... > more -
Biological warfare
Biological warfare, also known as germ warfare, is the use of any organism (bacteria, virus or other disease-causing organism) or toxin found in nature, as a weapon of ... > more -
Hermit crab
Hermit crabs are distinct from the true crabs in the infra-order Brachyura. Most hermit crabs salvage empty seashells to shelter and protect their soft abdomens. There are several species of hermit ... > more -
Antibiotic resistance
Antibiotic resistance is the ability of a microorganism to withstand the effects of an antibiotic. It is a specific type of drug resistance. Antibiotic resistance evolves naturally via natural ... > more
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