Describe the life cycle of freshwater eels. How does the life cycle of American eels differ from that of European eels?

Q: Why do anandromous lampreys die after breeding in the freshwater environment

A: Anadromous fishes are born in freshwater. They spend most of the time in salt water but they return…

Q: what is the reproductive strategy for fish?

A: Fishes are mostly oviparous. Polygamy, polyandry and monogamy are a part of the reproductive…

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: Describe feeding behavior in hagfishes and lampreys. How do they differ?

A: There are around 119 species that are present in the living jawless species, which are classified…

Q: What features of squid and octopuses are adaptations for predation?

A: Mollusks are a part of the invertebrate phylum. These include slugs, mussels, snails, and octopuses.…

Q: What features distinguish the two classes of annelids, and wheredo members of each group live?

A: Annelids are true-segmented worms. They belong to the phylum Annelida. They are usually found in…

Q: What is the function of Jacobson’s organ of snakes?

A: Order Squamata includes snakes, lizards, and amphisbaenians. The snakes are considered as the…

Q: What is the importance of having swim bladders to aid in the sound production in fishes?

A: Q. What is the importance of having swim bladders to aid in the sound production in fishes? Fish are…

Q: What is the type of circulatory system present in annelids?

A: The animals are the most abundant living organism that are found in almost every habitat. They have…

Q: Describe the feeding mechanism of a Hydra.

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

Q: How can the excretory system of annelids be described?

A: Annelids have a unique excretory system consisting of nephridia similar to kidneys in humans.…

Q: Are most fast-swimming fish cold-blooded or warm-blooded? What advantage does this provide?

A: Some species of fishes possess a web of arteries and veins lying very close together which enables…

Q: Describe four important characteristics of fishes.

A: Fish are vertebrates, aquatic animals belonging to the phylum Chordata in the animal kingdom. They…

Q: Describe the characteristics of the annelids

A: Annelids is a phylum under Kingdom Animalia.  1. They exhibit organ-system level of body…

Q: Which structure of the ray-finned fishes allows for breathing in water while the fish is stationary?…

A: The fishes are found in the super class Pisces. They belong to chordates.

Q: Explain how coelenterates defend themselves when swimmers venture into their habitat

A: Coelenterates are aquatic animals that have a tissue level of organization. They are mostly marine…

Q: Contrast the swimming of sharks with that of bony fishes.

A: Swimming in bony and cartilage fish.

Q: Provide a title for this diagram of the starfish

A: Starfish, often known as sea stars, are echinoderms with star-shaped bodies that belong to the…

Q: Give three characteristics of lizard's death?

A: Lizards belong to the Class Reptilia and includes about 6000 species, which are cosmopolitan in…

Q: Give the role of pharynx in larval and adult lamprey?

A: The jawless vertebrates belong to the subphylum Vertebrata under the section Agnatha. The…

Q: Explain how lungfishes are adapted to survive out of water

A: Animals are multicellular organisms. Animals are member of the kingdom Animalia. Fish is an aquatic…

Q: effect does the food industry have on Cuttlefish?

A: Cuttlefish belong to the order Sepiida. They have a very hard bone known as cuttlebone for…

Q: Describe several modifications of the digestive and respiratory systems which are specializations…

A: Lamprey's are an ancient lineage of jawless fish that falls under the order Petromyzontiformes. They…

Q: Describe the ways in which leeches obtain food.

A: Hirudinea or leech belongs to the phylum Annelida.   Parapodia, setae, tentacles, and distinct heads…

Q: How do molecular and morphological data evidence clash in the classic example of cichlid fishes in…

A: Cichlids are fishes that are found in African lakes. Their body size varies from 1 inch to 3 ft.…

Q: Explain the excretory system of cockroaches.

A: Excretory system refers to the biological system that is involved in removing both solid and liquid…

Q: What animal phylum do leeches belong in

A: This phylum incorporates worms with bodies made of sections example....

Q: How many gonads are found in lancelet and lamprey?

A: Gonad of an organism refers to the reproductive or sex gland that produces both the gametes and sex…

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.