Most become extinct because they can not adapt to changes in their environments. Those that can don't become extinct.
Primarily most species become extinct because they are unable to adapt....that being said dozens of identified species do not become extinct every day.
About 35 - 150 species of life become extinct everyday. Most due to deforestation (loss of rainforest).
Technically, no. Most animals are not targets for poaching. A handful of large mammal species may die out eventually, but small animals like rodents and birds aren't going anywhere.
Animals can become extinct for a wide variety of reasons. The most common reasons are the following:DiseaseOver-HuntedGenetic Similarity (causing sterility and disease)
Most of the species have become extinct.
No. While some individual species might become extinct, fish as a whole are in no danger. There are many fish species that we do not fish for. Assuming we don't sterilize the planet in a nuclear war, fish will be around long after humans have disappeared.
is it that there are signs that by 2100, most species will be extinct.
It is estimated that 99% of all animals that have ever lived are now extinct.
Millions, nearly 100 different types and species become extinct each day. Also, more animals have become extinct in human existence than in the entire history of the world. That's 1.6 billion years! Hundreds and hundreds of millions of years with actual animals.
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Most likely not as they are the highest means of beef and milk production worldwide. Some breeds of cattle are extinct, however, cattle as a whole will not become extinct.
Animals are either extinct or they aren't, because extinct means that there is not one individual of that group (species, genus, etc) left. Thus, there is no such thing as a "most extinct" animal. Over the entire existence of the rainforest as we know it, many rainforest species have become extinct. There are so many animals that have been extinct in the rainforest and most of them haven't been discovered yet - so its unlikely that anybody will answer this question. If you just want an extinct animal, then the Quaggas is a rather strange one. Well, a Quagga is an extinct zebra with brown fur and stripes only on their belly, back and head. A quagga still existed in the 1800's.