Q: Is reproduction in sponges sexual or asexual? What is the evolutionary advantage of the occurrence…
A: Budding, gemmation, or fragmentation (regeneration) are examples of asexual reproduction in sponges,…
Q: In what ways are annelids important?
A: The organisms of the ecosystem have different features compared to the others. Classification is the…
Q: List four characteristics of teleosts that contributed to their incredible diversity and abundance
A: Teleosts belong to the class neopterygians. They include modern bony fish, which represent nearly…
Q: What is the economic importance of sponges?
A: Sponges are multicellular eukaryotic organisms. These animals comprise of numerous pores and…
Q: What are Trochozoans ? Explain what do they play ?
A: The Trochozoa are a proposed Lophotrochozoa clade that is sister of Polyzoa. The trochozoans clade…
Q: In whose phylum veliger larva occurs?
A: A larva is a juvenile form of animal with indirect development that looks completely different from…
Q: Does coelom present in bilateria?
A: A celom is the hallow cavity which is filled with celomic fluid present between the intestinal canal…
Q: How do the positions of the archegonium and antheridium relate to their reproductive function?
A: In the plant, anatomy archegonium can be described as a flask-shaped multicellular female structure…
Q: How can brachiopods be distinguished from bivalves?
A: Invertebrates are organisms in which backbone is absent . It includes :- A ) Arthropods B )…
Q: How do chaetognaths feed?
A: The word chaetognaths are derived from the Greek word chaite, long flowering hair, + gnathos, jaws.…
Q: Which myriapods occur in moist soil or leaf litter?
A: Myriapoda belongs to the subphylum of the arthropod. The myriapod is terrestrial primarily and…
Q: How does the number of body cavities of nematodes compare with that of flatworms?
A: Flatworms, also known as platyhelminths, are a phylum of bilaterian, unsegmented, soft-bodied…
Q: Most sponge species are of leuconoid construction, is this an advantage or disadvantage?
A: Canal system is the characteristic feature of sponges. It helps in respiration, circulation,…
Q: Are flatworms monoecious or dioecious?
A: Monoecious are those organisms that contain both female as well as male reproductive organs. They…
Q: What morphological evidence suggests that nemerteans are typical coelomates?
A: Phylum Nemertea commonly called ribbon worms are bilaterally symmetrical, unsegmented organism that…
Q: A ciliated feeding structure in the larval stage is a characteristic of aa. trochozoan.b.…
A: The systematic classification of animals is necessary for the purposes of identification and…
Q: Bivalves lack a mantle (True/False)?
A: The name bivalve refers to the limy shell. They are composed of two pieces or valves, right and left…
Q: Annelid anatomy can be described as “a tube withina tube.” Explain.
A: Annelids are a phylum of worms with invertebrates. They are the worms which are segmented, with over…
Q: What is the difference between simultaneous and sequential hermaphrodites?
A: Hermaphrodites are organisms that possess both female and male genitalia. This condition is called…
Q: What is one of the main characteristics distinguishing arachnids from insects?
A: Arthropods are segmented invertebrate animals having a chitinous exoskeleton and jointed appendages.…
Q: What are the example of annelida?
A: All the animal species on Earth are classified into different phyla or groups. They are classified…
Q: What is a major difference in function of the coelom in holothurians compared with other…
A: The holothurians are commonly called sea cucumbers. They have one distinct feature which separates…
Q: How does ant form its coelom?
A: Ants are insects that belong to the family Formicidae. It comes under the order Hymenoptera that…
Q: what is oldest invertebrate on earth planet?
A: Arthropoda is the largest phylum of the invertebrates, they contains insects molluscs etc. Body of…
Q: What is the function of the arachegonium? O a. To carry out a sexual reproductive O b. To produce…
A: An archegonium is a multicellular construction or organ of the gametophyte period of specific…
Q: Explain how sponges reproduce sexually.
A: Porifera is the phylum that includes sponges. It's a rudimentary creature with a lot of cells but no…
Q: How do reptile eggs protect the young?
A: Parental care is a type of behavior shown by the animals to protect their young ones.
Q: Are acoelomate flatworms basal bilaterians?
A: While classifying the animals based on their internal structures and external features, the presence…
Q: What are some examples of annelids?
A: Annelids are free living animals and live in freshwater, marine, and terrestrial environments. There…
Q: Gonozoids continue the reproductive cycle by budding medusae. About how many maturing medusae are…
A: These are rare in number and only found around the hydrocaulus's base. The gonozooids are the…
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…
Q: What are two features that put the octopus in the phylum Mollusca?
A: Mollusks are defined as a large group of invertebrates. They generally have soft body, also the…
Q: How is reproduction done inbeings of the class Reptilia?
A: Reptiles are tetrapods, which comprise air-breathing vertebrates covered by a special skin made of…
Q: Poriferans and cnidarians do not have excretory systems. Do platyhelminthes have an excretory…
A: Poriferans are generally known as sponges. The sponges are separated from the metazoan by an early…
Q: What are the adaptations of parasitic nematodes that make them successful as endoparasites?
A: Parasitic nematodes are round worms that depend on the host for their nutrition they belong to…
Q: How does cryptobiosis in tardigrades increase the likelihood of survival?
A: Water bears, called tardigrades, are the water-dwelling microscopic invertebrates.
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: How does the excretory system of nematodes work?
A: Nematodes are the members of group eumetazoans characterized by bilateral symmetry and three germ…
Q: Where do kinorhynchs live?
A: Kinorhynchs are tiny, spiny, clear, yellowish or reddish worms. They usually have 13 body segments:…
Q: What habitat is shared by micrognathozoans and gnathostomulids?
A: Members of two of the bilaterally symmetrical triploblastic phyla have acoelomate bodies. A coelom…
Q: What is the cleavage pattern of Cnidarians?
A: Cnidarian, is also known as coelenterate is a member of the phylum Cnidaria (Coelenterata), These…
Q: to what kingdom do the termites belongs?
A: The termites are detritus feeders or detritivores. They feed on dead plants and trees. They obtain…
Q: Do Cnidarians have a simple or complex body plan?
A: Cnidarians:These are the animals of phylum cnidaria. These are carnivores. These animals have the…
Q: How do diplomonads obtain energy?
A: Fermentation: It is a process that occurs in a lack of oxygen molecules. It is a metabolic process.…
Do ctenophorans reproduce by shedding sperm into water?
Members of phylum Ctenophora are exclusively marine. They feed on plantons, swim by using cilia. The power of regenerations and bioluminescence is well marked.
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