E- Ammonoidea 1-Shell: 2-Aperture: 3- Suture: 4- Position of siphuncle: 5-Umbilicus: 6-Periphery: 7-Ornamentation: F- Nautiloidea 1-Shell: 2-Aperture: 3- Suture: 4- Position of siphuncle: 5-Umbilicus:

Q: Some poriferans obtain carbohydrates from cyanobacterial endosymbionts. True O False

A: Poriferans: Poriferans are called sponges and belong to the members of the phylum Porifera. They are…

Q: Describe the following: 1.) Lophophore 2.) Zoecium 3.) Zooid 4.) Polypide 5.) Statoblast

A: 1) Lophophore is a

Q: Two embryonic germ layers are characteristic of Porifera and Cnidaria. O True O False

A: The embryonic development is characterized by the formation if primary layers of cells, which are…

Q: Define the following: pedicellariae, madreporite, respiratory tree, Aristotle’s lantern, papulae,…

A: Pedicellariae is an important organ of echinoderms. It resembles a small wrench- or claw-shaped…

Q: Both bilateral symmetry and cephalization are synapomorphies of Bilateria. O True O False

A: Ans- True  Explanation- Most of the animals have either bilateral or radial symmetry. Majority of…

Q: G- Ammonoidea Shell: Aperture: - Suture: - Position of siphuncle: -Umbilicus: -Periphery:…

A: Nautiloidea and Ammonoidea belong to the class Cephalopoda of phylum Molluscs.

Q: If a lung occurs in a snail, where would it be located?     mantle cavity     coelom…

A: Phylum Mollusca is known to be the second-most diverse diverse phylum of the animal kingdom. The…

Q: With which of the following is a dinoflagellate associated?(a) Most usually have flagella and can…

A: Dinoflagellates- They are single-celled eukaryotes and they can also prepare their food by the means…

Q: Protonephridia are primarily concerned with ionic and fluid volume regulation. They are found in all…

A: Ans: Protonephridia: The type of nephridia which are known to occur in various phyla such as…

Q: Some literature lists the 4 groups of protozoans as: 1) Flagellates 2) Amoebas 3) Ciliates 4)…

A: Introduction Protozoans come under the kindom protista. They are eukaryotic and single-celled…

Q: identify the type of trichome present in: -Phoenix sylvestris -Cassia obtusifolia -Bauhinia anguina

A: Trichomes is derived from the Greek word trichoma which means "hair". Trichomes are specialized…

Q: of these features is absent in Porifera? Select one: O a. Complete digestive tract O b. Circulatory…

A: Porifera is the phylum of most simple aquatic organisms. They are eukaryotic multicellular and made…

Q: Diatoms function to sequester a significant amount of global carbon dioxide because O Their silica…

A: The correct option is -(c) which is they are photoautotrophs.

Q: Most molluscs have an external shell of some have an internal shell such as and and others don't…

A: Molluscs is a phylum that belongs to Non Chordates. They comprise the second largest phyla.Mollusc…

Q: true/false 1. Siphonaptera has a laterally flattened body. 2. Sawflies have crochets on their…

A: The answers is given below

Q: C- Ammonoidea Shell: Aperture: Suture: Position of siphuncle:

A: Ammonoidea: Ammonoids are a group of extinct marine mollusks belonging to the Ammonoidea subclass…

Q: Diplomonads have neither mitochondria nor hydrogenosomes. All ATP is produced in their cytoplasm.…

A: Diplomonads are anaerobic multi-flagellated eukaryotes that are mostly parasitic. They do not have…

Q: Which is true of Anthozoa? O A. all marine O B. cnidocytes in gastrodermis O C. medusae O D. All of…

A: Sea anemones, stony corals, and soft corals are all members of the Anthozoa class of marine…

Q: Spicules are formed by Scleroblasts Silicoblasts Scleroblasts Calcoblasts

A: The animal kingdom is classified into 11 phyla on the basis of fundamental features like circulatory…

Q: 1. Complete the table below in order to compare the different coelenterates. DISTINGUISHING…

A: Coelenterates are aquatic (mostly marine organisms) invertebrates that includes animals like…

Q: Placozoans are structurally simple. They have no mouth, gut, or nervous system and only a few…

A: Placozoans are free living marine multicellular organism with simplest structure.

Q: What is the purpose of the bud in Phylum Cnidaria (the Hydra

A: Cnidarians are diploblastic, with structured tissue, eat extracellularly, and use cnidocytes to…

Q: Gills      NUMBER (1,2,3,or4)             for fungi in the phylum   LETTER (A,B,C or D)…

A: The gills are the aggregated mass of hyphae that are joined together for serving various purposes.…

Q: O A. The large multicellular forms are considered seaweeds O B. They belong to clade Archaeplastida…

A: Red algae are eukaryotes and they are useful for some marine organisms by providing habitat for…

Q: 1) Species belonging to the following groups typically have a trochophore larva at the beginning of…

A: Trochophore, also trochosphere, is a thin, translucent, free-swimming larva found in marine annelids…

Q: Amoeba use cytoplasmic streaming to expand and retract their pseudopodia. O True O False

A: Amoeba uses pseudopodia for their movement.

Q: 3) Pseudopodia that form a web like network are called: a) lobopodia b) reticulopodia c) filopodia…

A: Note: As Per Bartleby Guidelines For Remaining Answers Please Repost The Question. Introduction:…

Q: Which of the following has a saprophytic mode of nutrition? Leech Amoeba Mushroom Cuscuta Biology Q4…

A: Saprophytic mode of nutrition is the mode of nutrition in which the organisms feed on dead and…

Q: Identify: 2. These are none functional mitochondrial remnant organelle of diplomonads.

A: The diplomonads belong to the group of zoo-flagellates which are parasitic in nature. They are…

Q: A. Compare T. solium and T. saginata on the basis of - 1. Length 2. Scolex 3. Gravid segment 4. Egg…

A: Taeniasis is a kind of worm or parasitic infection that affects humans. This infection is caused by…

Q: Give the differences in the sex cells and sex organs in rhizopus, saccharomyces, marchantia,…

A: Saccharomyces belongs to the Saccharomycetaceae family of yeasts (phylum Ascomycota, kingdom Fungi).…

Q: F- Nautiloidea Shell: Aperture: Suture: Position of siphuncle: Umbilicus:

A: Ammonoidea is a group of marine mollusks that have turned extinct. They belong to the class of…

Q: Siphonicle neck in ammonoidea is directed forwads Select one : True False

A: Ammonoidea These belong to the class of Cephalopoda. These are extinct marine molluscs which are…

Q: II.Directions: Enumerate the following: 4. Classes under Phylum Porifera(3) 5. Classes under Phylum…

A: Introduction Taxonomy is a stream of biological sciences, It is the science of naming, describing ,…

Q: Diplomonads and parabasalids lack______ . a. a nucleus c. a plasma membrane b. mitochondria d.…

A: Diplomonads and parabasalids are members of the metamonad protist group, which lacks typical…

Q: Turbellaria are flatworms that have most of their body filled with: O a. Alarge complex reproductive…

A: Turbellaria belongs to phylum Platyhelminthes and they are so named because they create turbulence…

Q: this is mytilus edulis. You may have noticed that many mollusks evolved to form a shell although…

A: Mytilus edulis also known as a blue mussel or common mussel is an edible marine bivalve mollusk.

Q: Biramous appendages are found in the following Subphylum or Subphyla a. Uniramia O b. Chelicerata…

A:

Q: Lamellibranch bivalve gills have the following functions: Particle trapping O Particle sorting Gas…

A: Gills are respiratory organ of aquatic organisms which help them in respiratory function  Types of…

Q: Illustrate and describe the life cycle of the following:  Trichuris trichiura

A: Introduction: Whipworm infection is caused by a parasite called Trichuris trichiura. This parasite…

Q: Which of the following is NOT unique to Phylum Mollusca (Radula/chromatophores/coelom/mantle)?

A: Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda. They include…

Q: Aside from ecdysis, describe two (2) common characteristics shared by the different smaller phylum…

A: Ecdysis is the process of shedding of skin. Ecdysozoa is a super phylum arthropoda, nematoda and…

Q: Which of the following is/are adaptation(s) to the terrestrial environment in Arthropoda? A.…

A: Arthropods are the jointed legs organisms that lives both on land and water. The organisms from this…

Q: 1. It refers to the glass like siliccaeous wall of the diatoms. 2. It refers to the upper portion…

A: Note: We’ll answer the first three of the question since the exact three wasn’t specified. Please…

Q: Respiration In Chordata be by 1-Lungs 2-Trachea 3- Not any of the above

A: Chordates include all the animals under the phylum Chordata. They are divided into three subphyla:…

Q: Match the animal group with its body plan

A: All the living organisms are classified on the basis of various physical and internal features. The…

Q: Match groups in the left column with all correct answers in the right column.

A: All of them come in a phylum- Echinodermata.  There are 5 Classes of Phylum Echinodermata Crinoidea-…

Q: A NEOMENIOMORPHA CHAETODERMOMORPHA POLYPLACOPHORA MONOPLACOPHORA GASTROPODA B CEPHALOPODA SCAPHOPODA…

A: A cladogram is drawn to represent proposed evolutionary (phylogenetic) relationships between…

Evolutionary adaptations

Evolutionary adaptation is the process through which organisms adapt or adjust to their surroundings to increase the chances of survival, mating, and reproduction. An organism's behavior, physiology, and structure are adjusted or changed to make it more suited to its environment.