4b) visual observations as the sample is brought near the side of the flame, in the flame, and out of the flame, 4c) odor as the fibres burn, 4d) characteristics of the ash including the colour and texture. 4e) The man-made fibers will decompose and melt. much quicker than either the animal or vegetable fibers.
Bluefin tuna swim in a holding pen in Australia. A conservation group has named three fish species that it says are at risk of extinction. The fish are threatened because of overfishing to meet the worldâs growing demand for food.
Butterfly fish are preyed upon by a number of large predators including fish such as snappers, eels and sharks. Due to the fact that the butterfly fish is small in size, it is able to tuck itself into crevices in the coral in order to escape danger and prevent itself from being eaten.utterfly fish are preyed upon by a number of large predators including fish such as snappers, eels and sharks. Due to the fact that the butterfly fish is small in size, it is able to tuck itself into crevices in the coral in order to escape danger and prevent itself from being eaten.