During embryonic development, if the blastopore of the gastrula forms the mouth opening second (anal opening first), the animal is classified as a O protostome arachnid O deuterostome O triploblast

Q: All acoelomate bilateral animals have protonephridia. Group of answer choices True False

A: ▪︎Acoelomates are the organisms which do not possess a body cavity.They are triploblastic, their…

Q: Whereas hagfish have no larval stage lamprey larva differ significantly from adults. One difference…

A: Lampreys are an ancient extant lineage of jawless fish of the order Petromyzontiformes, placed in…

Q: Which of these does not pertain to a protostome?a. spiral cleavageb. blastopore is associated with…

A: In the animal kingdom, after the fusion of male and female gamete, a diploid zygote is formed. This…

Q: developmental stage of grasshopper (Orthoptera)

A: The developmental stages in grasshopper is a type of metamorphosis.

Q: development stage of silverfish (Thysanura)

A: Silverfish are the small, wingless and primitive insects that have silvery scales. They have…

Q: One difference between the pseudocoel found in the phylumNematoda (roundworms) and the coelom found…

A: In some Kingdom Animalia members, coelom represents a fluid-filled body cavity positioned to contain…

Q: Which feature is found only in gnathostomes?     both pelvic and pectoral fins or appendages…

A: Gnathostomes are those organism who have jaws in their body. It includes two groups: Pisces: It…

Q: The only kingdom which grows from embryonic layers is Animalia Select one: O True O False

A: The endoderm (inner layer), ectoderm (outer layer), and mesoderm (middle layer) are the three…

Q: What is the thickened dark linear band which appears caudally in the midline of the dorsum of…

A: Each vertebra in the vertebrate spinal column is an irregular bone with a complicated structure made…

Q: Hookworm undergoes lung migration phase in its life cycle O False true

A: TRUE

Q: The Chondrichthyans include the (mark all that apply) O skates ray-finned fishes O hagfish and the…

A: Class chondrichthyes are a group of vertebrates with jaws and comprises of approximately 600 living…

Q: The tapeworms (cercomeromorpha) are not considered to be segmented animals because;

A: Animals (likewise called Metazoan) are multicellular eukaryotic creatures that structure the natural…

Q: Embryos with cleavage pattern depicted in panel A exhibit mosaic development. B True False

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

Q: Patrick the starfish and his friend Susie the sand dollar are both members of the

A: Patric the starfish and Suie the sand dollar are anime characters from the animated series SpongeBob…

Q: This is a basal gnathostome more closely related to bony fishes O Dunkleosteus O Geotria O…

A: Gnathostomes meaning “jaw-mouths” are vertebrate organisms possessing jaws. The jaw development was…

Q: Choose all the phyla we looked at in this lab that have a hydrostatic skeleton. nematodes molluscs…

A: Nematodes, mollusca and annelids all the three have hydrostatic skeleton. The hydrostatic skeleton…

Q: Developmental patterns between protostomes and deuterostomes Developmental Pattern Protostomes…

A: The coelomates can be described as organisms that contain hollow space surrounded by the other…

Q: Question 11 Which is TRUE for embryonic development of prc O Lacking three germ layers O…

A: A protostome could be a cluster of animals that has invertebrates like arthropods (insectsand…

Q: How long does I take for pork tapeworm eggs to hatch

A: It take approximately 40-60 days( that is from 1.5 month to 2 months)

Q: Reproductive characteristics and structures of sleected invertebrates and vertebrates. Fill in the…

A: Invertebrates and vertebrates are organisms classified on the basis of the presence of backbone in…

Q: what structure is the pointer pointing to? O Notochord what germ tissues are those structutres made…

A: There are different types of body structures, each specified for a particular function. These…

Q: Which of these is found in all deuterostomes?     3 tissue layers     a notochord     a dorsal…

A: Deuterostomia, (Greek: “second mouth”), group of animals include those of the phyla Echinodermata…

Q: Which is an outcome associated with torsion but not with coiling? (mark all that apply) potential…

A: We will answer the first question since the exact one was not specified. Please submit a new…

Q: The only winged invertebrates are from which group? Hymenoptera arachnids crustaceans insects O…

A: Invertebrates are animals that lack a spinal column or vertebral column. They make up the great…

Q: germ layer present / levels of organization and coelom   specimen type of animal based on number…

A: In most animals, the coelom (or celom) is the main body cavity that surrounds and contains the…

Q: Deuterostome diversity Which of the following statement(s) about deuterostomes is true? Check the…

A: Deuterostomes is the term related to embryonic development of animals.

Q: The amniotic egg is a synapomorphy of amniotes that prevents dehydration True False

A: Cells are the basic units of life and based on the cellular composition and complexity living…

Q: blastula

A: ●Development begins at128 cell stage. ●At this stage cells form a hollow sphere surrounding a…

Q: Which is not a feature of the Arthropoda? O most diverse lineage on the planet O compound eyes but…

A: An arthropod is an invertebrate animal having an exoskeleton, a segmented body, and paired jointed…

Q: Protostomes and deuterostomes typically differ in

A: Protostomes are clade of animals containing phyla including the arthropods,annelids and…

Q: Answer the following questions: 1. What is the gastrocoel? 2. What is a deuterostome? 3. What does…

A: Seastar is also known as starfish. It is a star-shaped sea animal that belongs to the class…

Q: extra-embryonic

A: An extraembryonic membrane is one in every one of the membranes which assist within the…

Q: What is the space limited by the exo-coelomic membrane termed primitive yolk sac Amniotic cavity…

A: Introduction: The exocoelomic membrane, also referred to as the Heuser's membrane is short-lived and…

Q: The reproductive processes of two organisms were studied. In Animal I, the offspring generated from…

A: The member of phylum coelenterate is aquatic and mostly marine with a radially symmetrical body and…

Q: | Cossidae larvae look very similar to Cerambycidae larvae, but Cossidae larvae have legs and a…

A: Statement b,c,d,e are correct

Q: Describe embryonic gastrulation in protostomes vs. Deuterostomes

A: Protostomes:  The clade of animals originally thought to be characterised by the formation of the…

Q: Tapeworms  ______                                                           Clams ______…

A: Metazoans are classified into protostomia and deuterostomia based on the embryonic development.…

Q: In protostomes and deuterostomes, the space between the endoderm and the ectoderm is important…

A: The space between the endoderm and the ectoderm is important in the evolution of protostomes and…

Q: Which structure of the following forms the embryonic axis? Primitive streak Notochord Primitive knot…

A: Animal embryonic development, also known as embryogenesis, is the stage of development of an animal…

Q: Which of the following options represent examples of deuterostomes? [check all that apply]. Mammals…

A: On the basis of formation of mouth, animals can be deuterostomes and protostomes.

Q: The eggs of "Old World" and "New World" hookworms are easily differentiated. True False

A: Hookworms belongs to the phylum Nematoda of the kingdom Animalia. Necator americana and Ancyclostoma…

Q: Octopi are ---- crustaceans O molluscs O cnidarians Oarthropods

A: The classification is very important in taxonomy. Different organisms are classified according to…

Q: Another name for the amniotic egg is * chorion allantois cleidoic O yolk eggbert

A: Amniotic egg are the eggs which have shell and give protection to the developing embryo. It consists…