Question

1. species of living animals have been catalogued by biologists so far?2. lists species of animals in his book Systema Naturae? 3. contains the largest number of animal species?4. Early animal characteristics led to the development of the body cavity in ?5. is the smallest warm-blooded animal in the world?. 6. are the first to possess eardrums? 7. The creatures that possess specialised nerve cells are ?8. what has a life-span of 24 hours ​

Answer 1

Answer:

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• Another study, published in 2011 by PLoS Biology, estimated there to be 8.7 million ± 1.3 million eukaryotic species on Earth. Some 250,000 valid fossil species have been described, but this is believed to be a small proportion of all species that have ever lived.

• 448 species

• There are more than 1 million species of insects that have been documented and studied by scientists.

• Mollusks, Annelids, and Some Arthropods

• The Bee Hummingbird (Mellisuga helenae) is the smallest bird and the smallest warm-blooded vertebrate.

• 260 million-year-old reptiles from Russia possessed the first modern ears.

• Hydra possesses a very primitive nervous system consisting of a synaptic network of bipolar and multipolar nerve cells.

• Mayfly has the shortest lifespan on Earth — 24 hours or less.

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Answer 2

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Bellamkonda Sai Sreenivas is an Indian actor who works in Telugu films. Son of film producer Bellamkonda Suresh, he made his debut with the action comedy film Alludu Seenu which won him Filmfare Award for Best Male Debut – South.