Explain how coelenterates defend themselves when swimmers venture into their habitat

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 three ways that various polychaetes obtain food.

A: Polychaetes are also known as bristle worms and they are a paraphyletic class of Annelids that are…

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: In what ways are annelids important?

A: The organisms of the ecosystem have different features compared to the others. Classification is the…

Q: What are Annelids ?

A: Phylum Annelida belongs to the kingdom Animalia. They are found in both aquatic and terrestrial…

Q: Give reasons why anandromous lampreys die after breeding in the freshwater environment

A: The sea Lamprey is one of the fishes that are categorized as anadromous, as these fishes spent a…

Q: The body plan of an annelid displays _________ , meaning that the body is divided into a series of…

A: Introduction  Phylum annelida belongs to invertebrates,  Annelids were triploblastic, coelomates and…

Q: Recognize characteristics that distinguish fish from othervertebrates.

A: A vertebrate is known as the animal with the spinal cord that is covered with the help of cartilage…

Q: Describe how sponges defend themselves against predators.

A: Sponges belong to the phylum Porifera. They are mostly marine. They are mostly present in-depth of…

Q: Distinguish between ammonoids and nautiloids

A: Ammonoids and nautiloids are two of the major groups of cephalopods. Their fossils are well studied…

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: Could Water Temperature Affect the Prevalence of Anisakids Nematodes in Fish? please cite sources

A: Anisakidosis is a zoonotic parasitic infection spread by members of the Anisakidae family. Anisakis,…

Q: What are lobe-finned fishes ?

A: Fish are oceanic, craniate, gill-bearing creatures that don't have appendages with digits.  The…

Q: Compare and contrast the roundworm body structure with those of aflatworm and an annelid.

A: The Compare and contrast the roundworm body structure with those of a flatworm and an annelid are…

Q: Describe the features of an animal classified in phylum Annelida

A: To define features of an animal classified in phylum Annelida

Q: describe how the filter-feeding in Sponges and tunicates are similar and how they are different?

A: Sponge-feeding is a mechanism through which sponges transfer water through their bodies to receive…

Q: How is excretion done infishes?

A: The animals characterized by the presence of gills, absence of digits and digits, and reside in the…

Q: Explain about ray-finned fishes ?

A: ray-finned fishes, is a class of bony fishes. The ray-finned fishes are so-called because their fins…

Q: Describe the life cycle of freshwater eels. How does the life cycle of American eels differ from…

A: Eels are ray-finned fishes that belong to the order Anguilliformes. They consist of 8 suborders, 19…

Q: Mention briefly about the circulatory system of earthworm

A: Introduction In this question we will discuss about the circulatory system of earthworm.

Q: Describe how an ectoproct feeds.

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

Q: Describe the ecological roles played by roundworms.

A: Roundworms are recognized as a very small organism that resides in the intestine of humans. This is…

Q: Explain how tapeworms can survive without a coelom,a mouth, a digestive system, or an excretory…

A: Tapeworms are the parasites and segmented worms. They reside in the other animal’s body for…

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: Annelids have nephridia whose function i

A: Annelids are the invertebrates belonging to the phylum Annelida, some example of annelids are:…

Q: Describe the early jawed fishes.

A: According to the J. Z young of classification chordata has two superclass Agnatha ( jaw less )  and…

Q: Why swim bladders are important in sound production of fishes?

A: A gas filled sac usually along the dorsal wall of the bony fishes . It is an outgrowth of the…

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: Compare and contrast bimodal breathers and air breathing fishes.

A: In both air and water, the capacity to exchange respiratory gases is defined as bimodal respiration.…

Q: What are some ways annelids are beneficial?

A: Annelids live in water and land, they are the segmented worms. Some are mutualistic and parasitic in…

Q: What are some examples of annelids?

A: Annelids are free living animals and live in freshwater, marine, and terrestrial environments. There…

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 modification do sea anemones possess to increase their digestive surface area?

A: Sea anemones belong to the phylum Coelenterata(Cnidaria). They are aquatic, mostly marine, sessile…

Q: What are the two main classes into which fishes are divided?

A: Vertebrates comprise all species of animals within the subphylum Vertebrata. A vertebrate have a…

Q: How do nephridia of annelids compare to the flame ceels of flatworms and the nephridia of…

A: Phylogenetics is the study of how different organisms are sharing evolutionary relationships with a…

Q: Sandworm and Leech Compare the external features of sandworm and leech, then compare them to the…

A: The lugworm or sandworm (Arenicola marina) is a large marine worm of the phylum Annelida.  Leeches…

Q: Mention breifly about the circulatory system of earthworm.

A: An earthworm is a terrestrial invertebrate that belongs to the class Clitellata, phylum Annelida,…

Q: Explain how rhizarians feed.

A: Introduction The Rhizaria are a nebulous supergroup of primarily unicellular eukaryotes with a large…

Q: How do fishes breathe?

A: Introduction  Fishes are the aquatic animals which either live on surface or in the water. Unlike…

Q: Explain how the high pseudocoelomic pressure affects feeding and defecation in nematodes.

A: The pseudocoelom is a fluid-filled body cavity that is situated inside the external body wall of the…

Q: What are the structural adaptations of freshwater leech from marine ones?

A: Leeches fall under the Phylum Annelida. They are segmented parasites, meaning, they derive their…

Q: Explain how fish cope in both fresh and marine waters

A: Freshwater fish intake very less amount of water to maintain its osmoregulation . They excrete…

Q: How does a kinorhynch burrow itself into the mud, explain its locomotory mechanism

A: INTRODUCTION Kinorhyncha Kinorhyncha comes under the class Aschelminthes, they are closely related…

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.