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.
The diet of the clown fish is however largely dependent on the species of clown fish and what food is available in the area which they inhabit. Due to their small size, clown fish are preyed upon by a number of predators but can be difficult to catch are they often retreat into the safety of the sea anemone.he diet of the clown fish is however largely dependent on the species of clown fish and what food is available in the area which they inhabit. Due to their small size, clown fish are preyed upon by a number of predators but can be difficult to catch are they often retreat into the safety of the sea anemone.