What is CNG? What are its uses? View Solution What is natural gas ? What are its uses ? View Solution What is PHBV ? How it is synthesized ? What are its uses ? View Solution Explain LPG.What are its uses? View Solution What is a notochord? State its use. View Solution DNA prob...
Vertebrates are organisms which are characterized by the presence of a defined skeletal system, most prevalently a backbone which at some point developed from a notochord. The backbone is an essentially stabilizing system of bones which provide room for further evolutionary complexit...
(a) What is notochord? (b) In which animal it is present? Fill in the blank with the correct word(s). A dog belongs to which group of animals [{Blank}]. Select the pair of animals that is most closely related. 1. Rats & cats 2. Cats & dogs ...
A neural plate is the first stage of the nervous system development in human embryology. The way that the neural plate is...
A notochord – oil filled tube which acts as a backbone. They are very oily and don’t taste good to humans. Coelacanth Activity You can make your own Coelacanth fossil using clay. You’ll need Modelling clay Clay modelling tools Clay Coelacanth Fossil ...
Features of the jawless fish include a notochord, paired gill pouches, a pineal eye, and a two-chambered heart. Are lampreys Agnathous? The oldest fossil agnathans appeared in the Cambrian, and two groups still survive today: the lampreys and the hagfish, comprising about 120 species in ...
The Cuban greater funnel-eared bat belongs to the Phylum Chordata because it is a mammal. Chordata is a phylum that includes all animals with a notochord, which is a flexible rod-like structure that provides support. Mammals, including bats, are characterized by having mammary glands, hair or...
What is an invertebrate? By: jbeining75 An invertebrate is basically an animal that is lacking a vertical support system in their structural makeup, for example a backbone or notochord. Almost all of the earths living animal species are filed under the invertebrate distinction. Only 3% of ...
What is a Thornwaldt Bursa? Thornwaldt's bursa, also known as nasopharyngeal bursa, isa recess in the midline of the nasopharynx, which is produced by persistent notochord remnants. If the opening of the bursa is occluded, benign midline nasopharyngeal mucosal cyst called Thornwaldt cyst develo...
The phylum Annelida is better known as segmented worms. If you think of an earthworm, an organism many people are familiar with, you will note the series of indentations that make the worm look like it is made of a long chain of connected rings. Each ring is a segment of its body. ...