Sea Star Structure Oral Surface (Backside, “underside”) Aboral Surface (Topside) Function of Structure Madreporite (sieve plate)         Anus         Ambulacral groove         Tube Feet         Mouth         Central Disc

Q: Label the following regions and parts on the diagram: • Anterior end • Posterior end • Dorsal…

A: Dorsal fins are located on the back ( upper surface facing towards the sun) , there are two types of…

Q: A large skull was found with a dental formula 2:1:2:3, large incisors, and small canines.  The skull…

A: The skull is the bony structure that supports the face and brain in vertebrates. Except for the…

Q: Which of the following are shared-derived* characteristics of the species found within the Genus…

A: Shared derived characters among Genus Paranthropus.

Q: The cirripedia are used for the purpose of grindng food particles prior to their entry to the…

A: It is an arthropod belonging to the infraclass Cirripedia of the subphylum Crustacea. It is related…

Q: What part of the human soft palate is lacking in the pig?

A: The soft palate is known by various other names such as muscular palate, palatal velum, or velum.…

Q: SCLEROSEPTA: present or absent well developed or rudimentary (reduced to spines?) Number of cycles:…

A: Millepora is a fire coral predominantly found in Atlantic reefs. It is a hydrozoan and an important…

Q: Complete the following food chains by dragging and dropping the animals in the correct order. 1) 2)…

A: Food chain It is a linear network of links in a food web, which starts from the producer organisms…

Q: Complete the table below.  Type of Jaw Attachment/Suspension Usually found in what group of…

A: INTRODUCTION          Jaw suspension defines as the attachment of lower jaw with the upper jaw…

Q: latch the sea urchin term from the left with the correct description on the right. rag and drop…

A: The sea urchins are round, spiny and round organisms that are found in the ocean. These organisms…

Q: Feeding rosettes can be observed on the surface of the sediment and are formed by Group of answer…

A: It is a multiple choice question.

Q: Give the derivatives of the following structures (one each only): 1. foregut - ____________________…

A: 1. foregut - Cranial portion 2. Neural tube : Brain and Spinal cord 3. pharyngeal pouch I…

Q: three specialized feeding mechanism in different organism.

A: Feeding mechanisms Feeding mechanisms are the processes adapted by different organisms to derive…

Q: Please label these two images of clam correctly

A:

Q: This opening of the gut leads into the subgerminal cavity in amniotes.

A: Amniotes are organisms which are characterized by the presence of three amniotic layers surrounding…

Q: Identify/label the following structures on Hydra diagram:  •    tentacle  •    mouth •…

A: "Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: Please solve last 3 sub parts. (or in bold letters.)   1.  Identify/label the following structures…

A: Hydra is a phylum Cnidaria and class Hydrozoa genus of freshwater animals. They're found in…

Q: Label A-H as the following: -Cheliped -Stomach -Antenna -Cephalothorax -Telson -Heart -Walking Leg…

A: The crustacean are classified under Arthopoda that have paired joint appendages. The body is divided…

Q: Describe the functions of the structures of the sharks. What is the feeding strategy of the shark,…

A: There are almost 500 species of sharks in the ocean. Mostly all songs are having a similar kind of…

Q: cheliped / telson / antennule / antenna  /walking legs / swimmersets / pyloric stomach / cardiac…

A: Dissection or anatomization is a procedure where the upper layer of the body of a deceased animal or…

Q: Why are paleontologists excited to find teeth in the fossil record? Name three pieces of information…

A: By researching or studying fossil records we learn how long life has existed on Earth  as well as…

Q: What body form do sea jellies exhibit, medusa or polyp? How do they catch their food?

A: Sea jellies are the invertebrate animals belonging to the phylum cnidaria. They do not have brains,…

Q: Which of the following is formed by a contribution of the pharyngeal endoderm? A. tracheal tube B.…

A: Internally, the endoderm forms the lining of the pharynx and it also form, a number of specialized…

Q: A retro-molar space, occipital bun, big incisors, wide nasal aperture, big brow ridges, a long…

A: Humans do not evolve from the todays chimpanzees but human develop along side with the chimpanzees…

Q: Why is dolphin aammals?

A: Mammals belong to the class vertebrata and includes a diverse group of animals. Parental care is…

Q: Small ruminant meat (goat, lamb, mutton) Eggs Cow's Milk Chicken meat Pork Beef

A: The Production of animal-based products is also responsible for greenhouse gas emissions, a concern…

Q: distinguish between its oral and aboral surfaces and label the surface of the illustrated starfish…

A: According to bartleby expert guidelines when multiple questions are posted we are allowed to answer…

Q: Match these with the number on the picutres   A. stomach B. telson C.…

A: Crayfish is a freshwater crustacean. It also called crawdads, mountain lobster, freshwater lobster,…

Q: Based on the Ascaris structure, what is their pharynx for?

A: The genus consists of small-sized intestinal nematode worms is named as Ascaris. The organisms of…

Q: Australopithecines, early Homo, and late Homo, how did dentition change over time

A: The present human species of homo species have gained their physical and mental characters through…

Q: Describe the parts of a cat and give their functions Epididymis Metanephric duct Perineum Cervix…

A: Introduction  The cat is a little carnivorous mammal that is domesticated. It is the only…

Q: We usually think of jaws as structure whose original function was biting. What might have been a…

A: The jaw is any opposable articulated structure at the entrance of the mouth, typically used for…

Q: Select ALL statements about digestive systems that are true: A. carnivores have longer digestive…

A:

Q: What is the ancestral tooth formula of mammals? Be sure to explain and abbreviations.

A: In each set, the incisors (I), canines (C), premolars (P), and molars (M) are listed first, second,…

Q: What are the characteristics of a female mud crab ( Scylla serrate) on its mouth (Buccal) Frame?

A: The scientific name of the mud crab is Scylla Serrata. It is found in mangroves. Generally, a mud…

Q: All of these characteristics of P. aethiopicus suggest that it may represent an evolutionary…

A: Paranathropus is derived from a greek work, in which "para" means near and "anthropus" means man,…

Q: Describe the papillae on the surface of the tongue of the pig.

A: Papillae are small structures present on the upper surface of the pig tongue. They provide a rough…

Q: A classification given to a nose that is short, broad, and has a minimum projection; this nose is…

A: Answer b) platyrrhine

Q: Which of the following statements is true about the digestive system of simple invertebrates like…

A: Sponges belong to the phylum Porifera and often called as pore bearers as they have numerous pores…

Q: Which of the following characteristics are indicative of mammals?     post-orbital bar/closure…

A: Mammals are the most advanced members of the class primate. They have mammary glands for feeding…

Q: Deuterostome Characteristic include all of the following except: A. Enterocoelous…

A: Deuterostomia animals are distinguished by the formation of their anus prior to the mouth during…

Q: What are the structures absent in the mouth of the chicken but are present in the dog’s mouth?

A: Mouth is a part of digestive system ;contain certain structures which is very important for the…

Q: How many swimmerets does your crayfish have? 2. How many rows of gills does the crayfish have? 3.…

A: Crayfish : These are freshwater crustaceans . They breathe through heir feather like gills. They…

Q: What makes the Ardipithecus ramidus is distinct from members of the species Australopithecus…

A: Ardipithecus is a genus of extinct hominins that lived in Ethiopia's Afar Depression during the Late…

Q: Describe the digestive system of the earthworm and give the function of each structure.

A: The main part of an earthworm’s digestive system is an alimentary canal that positioned with the…

Q: Bring out the differences between Scolodona and Rana regarding digestive tract?

A: BASIC INFORMATION SCOLODONA here it is mis-spelt as it should be written as Scoliodon. Scoliodon It…

Q: Australopithecus afarensis differs from the later species of the genus Australopithecus (e.g.,…

A: Evolution of australopithecus afarensis.

Q: Compare the types and numbers of primary (deciduous) teeth present in the pig’s maxilla with those…

A: The deciduous teeth or primary teeth are the temporary teeth that develop at the embryonic stage and…

Q: Label accurately the parts of a Hydra ex. basal disk, tentacles, gastrovascular cavity and other…

A: Cnidarians are a group of diploblastic, radially symmetrical animals. They possess special sensory…

Q: Give the exact location and one function of oval window.

A: The oval window is a specialized membrane-bound structure found in middle ear.

Dissection

Dissection is the process of cutting up the tissue of a dead or live animal or plant, to do anatomical studies and surgical treatments. The purpose of dissection is to learn more about the overall structure of organs and organ systems and thereby understand the physiology of the organism.