Biology - Study Mode

[#136] Who introduced the "binomial nomenclature" to name organisms?
Correct Answer

(D) C. Linnaeus

Explanation

Solution: Tyrannosaurus rex is probably the most widely known binomial. The formal introduction of this system of naming species is credited to Carl Linnaeus, effectively beginning with his work Species Plantarum in 1753.

[#137] Aestivation is seen in
Correct Answer

(A) Amphibians

Explanation

Solution: Aestivation occurs in animals living in deserts and tropical regions. This is done to protect themselves from hot and dry climate, and due to the scarcity of food water. This can be seen in earthworms, molluscs, arthropods, reptiles and amphibians. A lungfish can aestivate and survive without water for three years.

[#138] Which one is the largest animal phylum?
Correct Answer

(A) Arthropod

Explanation

Solution: Arthropod, (phylum Arthropoda), any member of the phylum Arthropoda, the largest phylum in the animal kingdom, which includes such familiar forms as lobsters, crabs, spiders, mites, insects, centipedes, and millipedes. About 84 percent of all known species of animals are members of this phylum.

[#139] Jellyfish belongs to which phylum?
Correct Answer

(B) Cnidaria

Explanation

Solution: This jellyfish, a member of the phylum Cnidaria, can have tentacles up to 190 feet long (58 meters) and a bell almost 7 feet (2 meters) in diameter.

[#140] Which group of animals was the first to evolve to fly?
Correct Answer

(C) Insects

Explanation

Solution: Insects were the first to evolve to fly.