Name and describe two adaptations that make squid good predators.

Q: Explain the ecological importance of copepods to marine and freshwater ecosystems.

A: The members of phylum Arthropoda are collectively referred to as arthropods. Segmented body, the…

Q: Describe the functions of the parts of the crayfish. What are the ecology and economic biology of…

A: Crayfish are freshwater crustaceans resembling small lobsters.They are members of the superfamilies…

Q: Give the differences lancelet and lamprey with respect tp Body cavity?

A: Lanceletes commonly called amphioxus are marine living, small, eel like animals that belong to the…

Q: Barnacles can move as adults. True or False?

A: Step 1 - False . Barnacles do not move as adults but remain attached to their substratum ( termed as…

Q: Describe the feeding mechanism of a Hydra.

A: Hydra is fresh water organism that belongs to phylum coelenterata , radially symmetrical  that…

Q: The squid light organ has structural and functional similarities to an eye, including the ability to…

A: Squid belongs to family of cephalopods in the superorder Decapodiformes. The body of squids are…

Q: Select all of the following that are true about cephalopods. A)They may be very large and can…

A: The question is asking us to identify the correct statements about cephalopods, a class of marine…

Q: Feeding and gas exchange in chordates is via pharyngeal gill slits.   True   False   In tunicate…

A: Introduction :- The notochord is a defining characteristic of the Chordate phylum and is present in…

Q: Which fins of sharks provide power and speed?

A: Caudal fins provide power and speed to the Shark.

Q: Explain the functions of the amphioxus, such as the pharynx, gills, gills slits, atrium, ovary, etc.…

A: Amphioxus also known as Lancelet are the invertebrates belonging to phylum Chordata. These are…

Q: Provide a brief description of fishes, citing characteristics that would distinguish them from all…

A: Phylum Chordates are characterised by the presence of four diagnostic characters notochord, dorsal…

Q: In planarians ampulation : What body parts are required for feeding? Do all of the planarians eat…

A: Planaria  They are free living flat worm belonging to the phylum Platyhelminhs. They have high…

Q: Give differences between shark and frog regarding digestive system?

A: Introduction Shark is cartilaginous fish which comes under class Chondrichthyes, they are…

Q: Briefly describe how a typical bivalve feeds and how it burrows.

A: Bivalvia is also called Pelecypoda. It is derived from the Greek word pelekys, hatchet, podos, and…

Q: Explain the arrangement of wings of the cockroaches.

A: In the living world, we see a large number of microorganisms, animals and plants. These organisms…

Classification of Marine Organisms

Classification is a way of categorizing organisms that enables an easy process of identification of such organisms. All living things are classified by grouping them under specific categories. The grouping is done based on the close relativeness of the organisms. The classification tool requires knowledge of characteristics, differences, and similarities between different organisms.