Animals with Chitinous exoskeleton are (1) Insects (2) Sponges (3) Sea-Urchin (4) Snails

Animals with Chitinous exoskeleton are (1) Insects (2) Sponges (3) Sea-Urchin (4) Snails
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(1) Insects Explanation: Chitin is the main component of the cell walls of fungi, the exoskeletons of arthropods such as crustaceans (e.g., crabs, lobsters and shrimps) and insects, the radulas of mollusks, and the beaks and internal shells of cephalopods, including squid and octopuses. Combined with calcium carbonate, as in the shells of Crustacean and mollusks, chitin produces a much stronger composite.
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Animals with Chitinous exoskeleton are (1) Insects (2) Sponges (3) Sea-Urchin (4) Snails

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Last Answer : Insects

The chitinous exoskeleton of arthropods is formed by the polymerisation of (a) N - acetyl glucosamine (b) lipoglycans (c) keratin sulphate and chondroitin sulphate (d) D - glucosamine.

Description : The chitinous exoskeleton of arthropods is formed by the polymerisation of (a) N - acetyl glucosamine (b) lipoglycans (c) keratin sulphate and chondroitin sulphate (d) D - glucosamine.

Last Answer : (a) N - acetyl glucosamine

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Description : A chordate character is (a) gills (b) spiracles (c) post-anal tail (d) chitinous exoskeleton

Last Answer : (c) post-anal tail

Two common characters found in centipede, cockroach and crab are (a) book lungs and antennae (b) compound eyes and anal cerci (c) jointed legs and chitinous exoskeleton (d) green gland and tracheae.

Description : Two common characters found in centipede, cockroach and crab are (a) book lungs and antennae (b) compound eyes and anal cerci (c) jointed legs and chitinous exoskeleton (d) green gland and tracheae.

Last Answer : (c) jointed legs and chitinous exoskeleton

In which one of the following, the genus name, its two characters and its phylum are not correctly matched, whereas the remaining three are correct? (a) Pila (i) Body segmented Mollusca (ii) Mouth with radula(b) Asterias (i) Spiny skinned Echinodermata (ii) Water vascular system (c) Sycon (i) Pore bearing Porifera (ii) Canal system (d) Periplaneta (i) Jointed appendages Arthropoda (ii) Chitinous exoskeleton

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Description : In which one of the following, the genus name, its two characters and its phylum are not correctly matched, whereas the remaining three are correct? (a) Pila (i) Body segmented Mollusca ... Porifera (ii) Canal system (d) Periplaneta (i) Jointed appendages Arthropoda (ii) Chitinous exoskeleton

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Last Answer : c) Petromyzon Ectoparasite Cyclostomata

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Description : Which of the following features is not present in the Phylum Arthropoda? (a) Parapodia (b) Jointed appendages (c) Chitinous exoskeleton (d) Metameric segmentation

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Which of the following pairs are correctly matched? Animals Morphological features (i) Crocodile – 4-chambered heart (ii) Sea urchin – Parapodia (iii)Obelia – Metagenesis (iv) Lemur – Thecodont (a) (ii), (iii) and (iv) (b) only (i) and (iv) (c) only (i) and (ii) (d) (i), (iii) and (iv)

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Which one of the following groups of three animals each is correctly matched with their one characteristic morphological feature? Animals Morphological features (a) Scorpion, spider, – Ventral solid central cockroach nervous system (b) Cockroach, locust, – Metameric Taenia segmentation(c) Liver fluke, – Bilateral symmetry sea anemone, sea cucumber (d) Centipede, prawn, – Jointed appendages sea urchin

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Do sea urchin migrate?

Description : Do sea urchin migrate?

Last Answer : yes

What do sea urchin capsules cement together to form?

Description : What do sea urchin capsules cement together to form?

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In sea urchin DNA, which is double stranded, 17% of the bases were shown to be cytosine. The percentages of the other three bases expected to be present in this DNA are (a) G 17%, A 33%, T 33% (b) G 8.5%, A 50%, T 24.5% (c) G 34%, A 24.5%, T 24.5% (d) G 17%, A 16.5%, T 32.5%.

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Which of the following are correctly matched with respect to their taxonomic classification? (a) House fly, butterfly, – Insecta tse-tse fly, silver fish (b) Spiny anteater, sea – Echinodermata urchin, sea cucumber (c) Flying fish, cuttle fish, – Pisces silver fish (d) Centipede, millipede, – Insecta spider, scorpion

Description : Which of the following are correctly matched with respect to their taxonomic classification? (a) House fly, butterfly, - Insecta tse-tse fly, silver fish (b) Spiny anteater, sea - Echinodermata ... fish, cuttle fish, - Pisces silver fish (d) Centipede, millipede, - Insecta spider, scorpion

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Omithophily is effected by – (1) snails (2) bats (3) insects (4) birds

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Ornithophily is effected by (1) snails (2) bats (3) insects (4) birds

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How does Slime help in movement of animals such and snails?

Description : How does Slime help in movement of animals such and snails?

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Description : In which episode the animals are known as sponges ?

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How does water move inside sponges? What is the function of the pores in these animals?

Description : How does water move inside sponges? What is the function of the pores in these animals?

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Which of the following animals does not have nervous system? A. Bat B. Squirrel C. Sponges (Answer) D. Lizard

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Which one of the following categories of animals, is correctly described with no single exception in it? (a) All reptiles possess scales, have a three chambered heart and are cold blooded (poikilothermal). (b) All bony fishes have four pairs of gills and an operculum on each side. (c) All sponges are marine and have collared cells. (d) All mammals are viviparous and possess diaphragm for breathing.

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Which one of the following groups of animals is bilaterally symmetrical and triploblastic? (a) Aschelminthes (roundworms) (b) Ctenophores (c) Sponges (d) Coelenterates (cnidarians)

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This period in earth history is the earliest subdivision of the Paleozoic Era. Many of the oldest known invertebrate fossils occur in this period, the principal types being trilobites, chitinous brachiopods, and primitive graptolites. Name this period.

Description : This period in earth history is the earliest subdivision of the Paleozoic Era. Many of the oldest known invertebrate fossils occur in this period, the principal types being trilobites, chitinous brachiopods, and primitive graptolites. Name this period. 

Last Answer : ANSWER: CAMBRIAN PERIOD

Given below is an imaginary pyramid of numbers. What could be one of the possibilities about certain organisms at some of the different levels? 10 50 500 1 SC PC PP(a) Level PC is “insects” and level SC is “small insectivorous birds”. (b) Level PP is “phytoplanktons” in sea and “whale” on top level TC. (c) Level one PP is “pipal trees” and the level SC is “sheep”. (d) Level PC is “rats” and level SC is “cats”.

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Last Answer : (a) Level PC is “insects” and level SC is “small insectivorous birds”

Assertion A: Marine structures are made specially bulky and strong. Reason R: Sea insects result in undermining of the hardest and the soundest building material Select your answer based on the coding system given below: (A) Both A and R is true and R is the correct explanation of A (B) Both A and R is true but R is not the correct explanation of A (C) A is true but R is false (D) A is false but R is true

Description : Assertion A: Marine structures are made specially bulky and strong. Reason R: Sea insects result in undermining of the hardest and the soundest building material Select your answer based on the coding system given below: (A) ... of A (C) A is true but R is false (D) A is false but R is true

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Why have my 3 mystery snails died in the past 2 days!

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How to get rid of garden snails?

Description : How to get rid of garden snails?

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How would life be different for humans if we had an exoskeleton?

Description : How would life be different for humans if we had an exoskeleton?

Last Answer : Can our exoskeleton protect us from bullets? If so… oh, the possibilities and political craziness.

Why do my sister's Black/Golden Mystery Snails keep dying?

Description : Why do my sister's Black/Golden Mystery Snails keep dying?

Last Answer : It could be bacteria.

Is there a reasonably successful, poison free way to stop slugs and snails in a backyard garden?

Description : Is there a reasonably successful, poison free way to stop slugs and snails in a backyard garden?

Last Answer : Why would you want to get rid of snails, they’re so slow and cute (:

What is an effective ,but kind, way to stop slugs and snails eating my Sunflower plants?

Description : What is an effective ,but kind, way to stop slugs and snails eating my Sunflower plants?

Last Answer : First, stop the incessant rain. Then pluck them off (wearing rubber gloves) and drop them into beer, alcohol or if you’re ambitious, garlic butter and chopped parsley.

I have often wondered what the importance of snails is?

Description : I have often wondered what the importance of snails is?

Last Answer : to leave slime trails across the porch..?....

How long do snails live?

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Can you feed snails tomatoes?

Description : Can you feed snails tomatoes? Is it poisonous for them?

Last Answer : Tomatoes are not toxic to snails and they can eat them in limited amounts. Snails are able to eat a large variety of fruits and vegetables, preferably organically grown and free of pesticides or washed ... food and sweet potatoes are very high in nutrients and should be added to the snail's diet.

Is it dangerous to put snails in your frog tank?

Description : If you own white tree frogs, will it harm the frogs if you put snails (that you found in your neighborhood) in their tank?

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How to eradicate African Snails

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How do I get rid of snails in garden without pesticides?

Description : How do I get rid of snails in garden without pesticides?

Last Answer : first thing that I would do is make a sunken beer container for them, use any old lid like a top from peanut butter, change watering to early am instead of evening as they like it moist & dark.... ... let mint grow around your garden......hand pick & take away......make garlic spray Happy Summer.

how do I get rid of snails that are eating my plants

Description : how do I get rid of snails that are eating my plants

Last Answer : Use a cat food can or tuna can washed well and sink it below the dirt............fill it with beer.........they will go in and bye bye........dump that down a drain and refill with fresh stuff.

looking like snails on a purple duranta plant what are they?

Description : looking like snails on a purple duranta plant what are they?

Last Answer : use a tuna can rinsed out well....press it in the ground near the plant and fill it will beer.....they just love beer and will get in and not get out.........dump it in a plastic bag once a week to keep it nice & fresh. Happy Summer.

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Description : how do you keep small snails from eating plants, in Florida?

Last Answer : Going to give you a list of what I have found that other people are using.......crushed egg shells, DE, chickens or ducks, turtles, Sluggo, Escar-go, coffee grounds, equal paarts of vinegar & ... Or you could use chop sticks and pick them up and drop them in warm soapy salt water and flush them.

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Description : How do snails get their shells so shiny? -Riddles

Last Answer : They use snail polish.

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Description : Why do the French like to eat snails? -Riddles

Last Answer : Because they don't like fast food!

I herald the darkness which descends on all creatures; You will know my approach by moans and wracked features. I visit the hippo, hyena, and horse, But never go near snails and spiders, of course. I would circle the globe, leaping one to the other, Should all the world's people ever clasp hands together.What am I? -Riddles

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Last Answer : I am a Yawn.