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A cell in late metaphase. All chromosomes (blue) but one have arrived at the metaphase plate. -
Mammals are diphyodont, meaning that they develop two sets of teeth. In humans, the first set (also called the "baby", "mil... -
The kidneys receive blood from the renal arteries, left and right, which branch directly from the abdominal aorta. Despite their relatively... -
Emotion is a complex psychophysiological experience of an individual's state of mind as interacting with biochemical (internal) and env... -
Jellyfish are found in every ocean, from the surface to the deep sea. Some hydrozoan jellyfish, or hydromedusae, inhabit freshwater; freshw... -
The hippopotamus is one of the most aggressive creatures in the world and is often regarded as one of the most dangerous animals in Africa.... -
Cats are nocturnal. mostly we see cats in dark with shining eyes.its because of specific arrangement of cons and rods in retina.they can se... -
Many processes designed to preserve food will involve a number of food preservation methods. Preserving fruit, by turning it into jam, for ... -
There are numerous difficulties in studying wild parrots, as they are difficult to catch and once caught they are difficult to mark. Most w... -
A chart showing three types of selection. 1. Disruptive selection 2. Stabilizing selection 3. Directional selection
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