Answer:
Bacteria and fungi are actually decomposers. They eat decaying matter - dead plants and animals and in the process they break them down and decompose them.
Answer: Abiotic factor for polar: Ice
Abiotic for desert: Sand
Biotic for polar: Polar bears
Biotic for desert: Cacti
The types of factors are different because there are different set conditions for each ecosystem. A cactus is built for it's hot, dry ecosystem. If it were to move to a polar ecosystem it would not survive there. Same for the polar bear. It's built for polar regions. It has white fur to blend with the white ice to help it blend in and it's adapted to swim to get it's food source.
Explanation:
Well... a "build up in blood vessels" is actually called a CLOT. That should help you. :)
Industrial melanism is an evolutionary effect prominent in several arthropods, where dark pigmentation has evolved in a habitat affected by industrial pollution, including sulphur dioxide gas and dark soot deposits.
<span>The globin chains of myoglobin and hemoglobin prevent the oxidation of Fe2 to Fe3 , which irreversibly binds oxygen. The cooperativity of oxygen binding in hemoglobin arises from electronic interactions between heme groups.</span>
