Amongest the animal groups given below, which one has the highest percentage of endangered species? Solution : The percentage of endangered species in the list of threatened ones is 19% mammals, 17% birds, 21% reptiles, 22% amphibians.
Which animal group has the most endangered species?
10 of the world’s most endangered animals
- Javan rhinoceros. An older Vietnamese stamp illustrates the Javan rhinoceros (Shutterstock) …
- Vaquita. …
- Mountain gorillas. …
- Tigers. …
- Asian elephants. …
- Orangutans. …
- Leatherback sea turtles. …
- Snow leopards.
9 мар. 2020 г.
Which of these comprises the highest number of endangered species?
Which group of vertebrates comprises the highest number of endangered species. Solution : Endangered species of mammal is about 62, while in reptiles and birds are 6 and 11 respectively.
Which of the following group is facing the maximum threat of extinction?
Amongst the animal groups given below, which one has the highest percentage of endangered species? Answer. (c) Presently, 12% all the birds species, 23% all mammals species, 31% all gymnosperms species and 32% all amphibian species in world face the threat of extinctions.
Which group of vertebrates comprises the high number of endangered species?
Solution(By Examveda Team)
Mammals have 177 endangered species among vertebrates which represents 3.8% of all the species.
Which animal group has the most species?
Or, we can consider numbers of individual organisms. In terms of numbers of species, insects certainly represent the largest percentage of the world’s organisms. There are more than 1 million species of insects that have been documented and studied by scientists.
Which is the most species rich taxonomic group?
Solution : Among animals, the most species rich taxonomic group is insects.
Which endangered animal is the source of?
Tibetian antelopes are also called chiru. So, the answer is ‘chiru’. Additional information: – Pantholops hodgsonii is the scientific name of Tibetian Antelope called chiru.
Which class has the largest number of animals * 1 point fishes reptiles insects mammals?
Answer. The class named Insecta contains the largest animal number.
Which is mainly responsible for extinction of wildlife?
Pollution of air and water.
How many species are facing threat of extinction?
Just how many species are being threatened is a question hotly debated. Now scientists working for the International Union for Conservation of Nature (IUCN) have put a number on it: over 28,000 species worldwide are facing the risk of extinction in the wild.
Which member of the cat family is endangered?
The Javan leopard (Panthera pardus melas) and the Arabian leopard (Panthera pardus nimr) are both critically endangered, with populations of about 250 and 200 cats, respectively. The Asiatic lion (Panthera leo persica) numbers about 400, all of which live in a single forest in India.
How can the loss of one species lead to the extinction of another?
How can the loss of one species lead to the extinction of another? A. … It can be explained via co-extinction, where extinction of two mutually interrelated species takes place. For instance, the extinction of host fish causes the extinction of all parasites located on it.
What is the oldest surviving mammal on the planet?
Echidnas are the oldest surviving mammals on the planet today (evolved 20-50 million years ago).
Which endangered animal is the source of world’s finest lightest warmest and most expensive wool?
Few people have ever heard of an antelope known as the Chiru, or the Tibetan Antelope (Pantholops hodgsonii), yet it produces shahtoosh, a wool far more valuable than gold. This statuesque animal is native to treeless steppe above 5,000 meters in Chinese Tibet and adjacent northwest India.
Which groups are vertebrates?
In order to study them further, vertebrates can be further classified into 5 major groups – Mammals, Reptiles, Fish, Amphibians, and Birds.