Description : Is the nervous system in platyhelminthes more or less sophisticated than in cnidarians? What are the main neural structures found in flatworms? How is this neural organization important for the diversity of biological niches explored by species of the phylum?
Last Answer : Platyhelminthes present a more sophisticated nervous system than cnidarians, as the first neural chords with ganglia (grouping of neurons) appear, a characteristic of the evolutionary process of ... that are parasites and those that are free-living. Image Diversity: platyhelminth nervous system
Description : Concerning tissue complexity how different are cnidarians from poriferans?
Last Answer : Cnidarians have true tissue differentiation, they present distinct organized tissues in the body. Poriferans present only some dispersed specialized cells with no tissue differentiation.
Description : The cylindrical body form of cnidarians is called? -Biology
Last Answer : answer:
Description : The phenomenon of alternation of generation between asexual and sexual reproduction in cnidarians.
Last Answer : Name the following: The phenomenon of alternation of generation between asexual and sexual reproduction in cnidarians.
Description : The gastrovascular cavity in cnidarians
Last Answer : Give one word for the following: The gastrovascular cavity in cnidarians
Description : 1. The stinging cells on the tentacles of cnidarians are known as _______.
Last Answer : Fill in the blanks. 1. The stinging cells on the tentacles of cnidarians are known ... The annelid with locomotory structures like setae is ________
Description : How do cnidarians give birth?
Last Answer : They don't. Only mammals give birth to live young. Cnidariansrelease their eggs and sperm into the water and they are fertilizedthat way and hatch out into baby cnidarians.
Description : What is is the most common form of behavior in simple animals like cnidarians worms?
Last Answer : instinctive behavior
Description : What are the body plan of cnidarians?
Last Answer : In general the have a round body shape with some sort of radial symmetry. (there are exceptions)
Description : How does a cnidarians reproduce?
Last Answer : Cnidarian do have eggs and sperm. These will become larvae and then the find a good place to stay so they set down roots and become a polyp.
Description : Not all animals have a circulatory system. Poriferans, cnidarians, platyhelminthes and nematodes (in these there are the pseudocoelom fluid but no vessels) are avascular animals. Echinoderms do not have true circulatory systems either.
Last Answer : What is the alternative means for transport of substances in animals without a circulatory system? Why is blood important for larger animals?
Description : Poriferans and cnidarians do not have excretory systems. Do platyhelminthes have an excretory system?
Last Answer : Platyhelminthes have a primitive excretory system made of flame cells (also called solenocytes), excretory ducts and excretory pores. Image Diversity: platyhelminth excretory system
Description : What are the types of reproduction presented by cnidarians?
Last Answer : They present asexual and sexual reproduction.
Description : What is the type of digestion that occurs in cnidarians?
Last Answer : These animals have a digestive cavity and they make extracellular and intracellular digestion. The extracellular digestion takes place within the digestive cavity.
Description : Which are the germ layers present in cnidarians? Which tissues of the animal do they originate?
Last Answer : These beings present ectoderm and endoderm, two germ layers. Animals with only two germ layers are called diploblastic animals. The ectoderm gives birth to the epidermis and the endoderm originates the covering of the digestive cavity. Image Diversity: germ layers
Description : What are the two main morphological patterns of cnidarians? Concerning locomotion how do these forms differentiate from each other?
Last Answer : Morphologically, cnidarians classify as polyps or medusae. Polyps are cylindrical and medusae are circular convex, like an umbrella. Both shapes have tentacles. In general polyps are sessile ... cnidarians alternate polypoid and medusoid forms in their life cycle. Image Diversity: polyps medusae
Description : What are some examples of cnidarians? In which environments can these animals be found?
Last Answer : Jellyfish, hydra, corals and sea anemones are good examples. All of them are aquatic and most live in the sea. Image Diversity: jellyfish hydra corals sea anemone
Description : Which one of the following groups of animals is bilaterally symmetrical and triploblastic? (a) Aschelminthes (roundworms) (b) Ctenophores (c) Sponges (d) Coelenterates (cnidarians)
Last Answer : (a) Aschelminthes (roundworms)
Description : How many open facial tissue ("Kleenex") boxes do you have distributed around your house right now?
Last Answer : One each on my bedroom, office, master bath and TV room. I’ve always got to have one within reaching distance.
Description : Read the following (A-D) statements :- A. Connective tissue are most abundant and widely distributed in the body of complex animals B. They are named
Last Answer : Read the following (A-D) statements :- A. Connective tissue are most abundant and widely distributed in the body ... - A. Four B. Three C. Two D. One
Description : What is nervous tissue? -Biology
Description : The hormonal alterations that follow operation and injury favor accelerated gluconeogenesis. This new glucose is consumed by which of the following tissues? A. Central nervous system. B. Skeletal muscle. C. Bone. D. Kidney. E. Tissue in the healing wound.
Last Answer : Answer: ADE DISCUSSION: Glucose is produced in increased amounts to satisfy the fuel requirements of the healing wound. In addition, nerve tissue and the renal medulla also utilize this substrate. Skeletal muscle primarily utilizes fatty acids, and bone utilizes mineral substrate
Description : The part of the body directly affected by Pneumonia is _____ A. Respiratory system B. Bone tissue C. Nervous system D. Epidermal tissue
Last Answer : ANSWER: D
Description : Of which cells is the nervous tissue constituted? How is the generic function of this tissue related to the characteristics of the main cell type that forms it?
Last Answer : The nervous tissue is formed of neurons and glial cells. The function of the nervous tissue is to receive and to transmit neural impulses (reception and transmission of information). This function ... their work (sometimes acting as insulators). Cell Tissue - Image Diversity: neuron glial cell
Description : Which of the following is regarded as a unit of nervous tissue? (a) Neurons (b) Myelin sheath (c) Axons (d) Dendrites
Last Answer : (a) Neurons
Description : Histamine secreting cells are found in (a) connective tissues (b) lungs (c) muscular tissue (d) nervous tissue
Last Answer : (a) connective tissues
Description : The inner lining of blood vessels is made up of which tissues? (a) Nervous tissue (b) Epithelial tissue (c) Connective tissue (d) Muscle tissue
Last Answer : (b) Epithelial tissue
Description : A patient of megaloblastic anaemia was treated with oral folic acid 5 mg daily. After 2 weeks he reported back with cognitive deficit, sensory disturbance, depressed knee jerk, while ... therapy has unmasked pyridoxine deficiency D. Patient has folate reductase abnormality in the nervous system
Last Answer : D. Patient has folate reductase abnormality in the nervous system
Description : What type of tissue is bone tissue? a) muscle b) nervous c) epithelial (pron: ep-a-THEE-lee-al) d) connective
Last Answer : ANSWER: D -- CONNECTIVE
Description : Squamous cell tissue is an example of which type of tissue? a) muscle b) nervous c) epithelial (pron: ep-a-THEE-lee-al) d) connective
Last Answer : ANSWER: C -- EPITHELIAL
Description : Which of the following is an example of striated tissue? a) muscle b) nervous c) epithelial (pron: ep-a-THEE-lee-al) d) connective
Last Answer : ANSWER: A -- MUSCLE