Examlex
The second law of thermodynamics defines
Fossil Record
The collection of fossils, which are the preserved remains or imprints of organisms, providing historical evidence of life on Earth.
Bacteria
Microscopic single-celled organisms that can be found in various environments, some of which can cause disease while others are beneficial.
Mammals
A class of warm-blooded vertebrate animals characterized by the presence of mammary glands which in females produce milk for feeding their young.
Tetrapods
Animals with backbones that possess four limbs or structures similar to limbs, encompassing groups such as amphibians, reptiles, birds, and mammals.
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Q64: In positron emission tomography (PET),a positron collides
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Q90: The body stores most excess glucose as<br>A)cellulose.<br>B)glycogen.<br>C)protein.<br>D)fat.
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Q136: The molecule that carries the amino acid