Choose the animals which exhibits the following characteristics (a) Marine habitat. (b) Bilateral symmetry and cephalization . ( c) Hemocoel as princi

Choose the animals which exhibits the following characteristics (a) Marine habitat. (b) Bilateral symmetry and cephalization . ( c) Hemocoel as princi
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Choose the animals which exhibits the following characteristics (a) Marine habitat. (b) Bilateral symmetry ... B. Dogfish C. Jellyfish D. Cuttle fish
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The tubular and dorsal nervous system of chordates is related to the cephalization in these animals and to bilateral symmetry. The presence of neural integrating centers with concentration of neurons in the brains and the spinal cord (central nervous system, CNS) allowed the increase of the interaction complexity between these animals and the environment. Receptor (afferent conduction) and efferent (motor, regulatory and behavioral reactions) functions come out more sophisticated in chordates due to the presence of more well-developed neural networks. These features have been preserved by evolution as they provide adaptive advantage to their owners.

Description : The tubular and dorsal nervous system of chordates is related to the cephalization in these animals and to bilateral symmetry. The presence of neural integrating centers with concentration of ... These features have been preserved by evolution as they provide adaptive advantage to their owners.

Last Answer : How can the tubular-dorsal nervous system in chordates be compared to the nervous pattern present in invertebrates?

What is cephalization? How does lateral symmetry favor cephalization?

Description : What is cephalization? How does lateral symmetry favor cephalization?

Last Answer : Cephalization is the evolutionary tendency of concentration of the nervous command in central structures in which there are grouping of neurons (i.e, brain and ganglia formation). ... where the nervous central command and important sensory organs are located. Image Diversity: cephalization

Which of the following characteristics is mainly responsible for diversification of insects on land? (a) Exoskeleton (b) Eyes (c) Segmentation (d) Bilateral symmetry

Description : Which of the following characteristics is mainly responsible for diversification of insects on land? (a) Exoskeleton (b) Eyes (c) Segmentation (d) Bilateral symmetry

Last Answer : (a) Exoskeleton

Consider following features. (A) Organ system level of organisation (B) Bilateral symmetry (C) True coelomates with segmentation of body Select the correct option of animal groups which possess all the above characteristics. (a) Annelida, Mollusca and Chordata (b) Annelida, Arthropoda and Chordata (c) Annelida, Arthropoda and Mollusca (d) Arthropoda, Mollusca and Chordata

Description : Consider following features. (A) Organ system level of organisation (B) Bilateral symmetry (C) True coelomates with segmentation of body Select the correct option of animal groups which possess ... Arthropoda and Chordata (c) Annelida, Arthropoda and Mollusca (d) Arthropoda, Mollusca and Chordata

Last Answer : (B) Bilateral symmetry

Which of the following animals are TRUE coelomates with bilateral symmetry? 

Description : Which of the following animals are TRUE coelomates with bilateral symmetry? 

Last Answer : Which of the following animals are TRUE coelomates with bilateral symmetry? (a) Annelids ... (c) Aschelminthes (d) Platyhelminthes

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

Description : 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 ... symmetry sea anemone, sea cucumber (d) Centipede, prawn, - Jointed appendages sea urchin

Last Answer : (a) Scorpion, spider, – Ventral solid central cockroach nervous system

The animals with bilateral symmetry in young stage and radial pentamerous symmetry in the adult stage, belong to the Phylum (a) Annelida (b) Mollusca (c) Cnidaria (d) Echinodermata.

Description : The animals with bilateral symmetry in young stage and radial pentamerous symmetry in the adult stage, belong to the Phylum (a) Annelida (b) Mollusca (c) Cnidaria (d) Echinodermata.

Last Answer : (d) Echinodermata.

Which of the following animals are true coelomates with bilateral symmetry? (a) Adult Echinoderms (b) Aschelminthes (c) Platyhelminthes (d) Annelids

Description : Which of the following animals are true coelomates with bilateral symmetry? (a) Adult Echinoderms (b) Aschelminthes (c) Platyhelminthes (d) Annelids

Last Answer : (d) Annelids

What is bilateral symmetry in biology? -Biology

Description : What is bilateral symmetry in biology? -Biology

Last Answer : answer:

What is bilateral symmetry in biology? -Biology

Description : What is bilateral symmetry in biology? -Biology

Last Answer : answer:

Assertion : Annelids, arthropods, and molluscs are protostomial coelomates . Reason : All the three phyla include members with bilateral symmetry and

Description : Assertion : Annelids, arthropods, and molluscs are protostomial coelomates . Reason : All the three phyla include members with bilateral symmetry and

Last Answer : Assertion : Annelids, arthropods, and molluscs are protostomial coelomates . Reason : All the three ... . If both Assertion and Reason are false.

In which of the following phyla, the adult shows radial symmetry while the larva has bilateral symmetry?

Description : In which of the following phyla, the adult shows radial symmetry while the larva has bilateral symmetry?

Last Answer : In which of the following phyla, the adult shows radial symmetry while the larva has bilateral ... Mollusca B. Cnidaria C. Echinodermata D. Annelida

Which one occurs in echinodermata? (a) Bilateral symmetry (b) Radial symmetry (c) Porous body (d) Soft skin

Description : Which one occurs in echinodermata? (a) Bilateral symmetry (b) Radial symmetry (c) Porous body (d) Soft skin

Last Answer : (b) Radial symmetry

In contrast to annelids the platyhelminthes show (a) absence of body cavity (b) bilateral symmetry (c) radial symmetry (d) presence of pseudocoel.

Description : In contrast to annelids the platyhelminthes show (a) absence of body cavity (b) bilateral symmetry (c) radial symmetry (d) presence of pseudocoel.

Last Answer : (a) absence of body cavity

Match the following columns and select the correct option. Column-I Column-II (A) Gregarious, polyphagous pest (i) Asterias (B) Adult with radial symmetry and larva with bilateral symmetry (ii) Scorpion (C) Book lungs (iii) Ctenoplana (D) Bioluminescence (iv) Locusta (A) (B) (C) (D) (a) (i) (iii) (ii) (iv) (b) (iv) (i) (ii) (iii) (c) (iii) (ii) (i) (iv) (d) (ii) (i) (iii) (iv)

Description : Match the following columns and select the correct option. Column-I Column-II (A) Gregarious, polyphagous pest (i) Asterias (B) Adult with radial symmetry and larva with bilateral symmetry (ii) Scorpion (C) Book lungs (iii) Ctenoplana ... ) (iii) (c) (iii) (ii) (i) (iv) (d) (ii) (i) (iii) (iv)

Last Answer : (b) (iv) (i) (ii) (iii)

Which of the following is NOT a characteristic shared by most of the members of the kingdom plantae? a) they are multicellular b) they are nonmotile c) they possess bilateral symmetry d) there is an alternation of haploid and diploid generations

Description : Which of the following is NOT a characteristic shared by most of the members of the kingdom plantae? a) they are multicellular b) they are nonmotile c) they possess bilateral symmetry d) there is an alternation of haploid and diploid generations 

Last Answer : ANSWER: C -- THEY POSSESS BILATERAL SYMMETRY

Hemocoel is found is

Description : Hemocoel is found is

Last Answer : Hemocoel is found is A. Hydra B. Ascaris C. Earthworm D. Cockroach

Exobiology is a science that deals with (1) extinct forms (2) life in other planets (3) life in the outer space (4) life in marine habitat

Description : Exobiology is a science that deals with (1) extinct forms (2) life in other planets (3) life in the outer space (4) life in marine habitat

Last Answer : (3) life in the outer space Explanation: Exobiology is the branch of biology that deals with the search for extraterrestrial life and the effects of extraterrestrial surroundings or outer space on living organisms.

Exobiology is a science that deals with (1) extinct forms (2) life in other planets (3) life in the outer space (4) life in marine habitat

Description : Exobiology is a science that deals with (1) extinct forms (2) life in other planets (3) life in the outer space (4) life in marine habitat

Last Answer :  life in marine habitat

From the following statements select the wrong one. (a) Prawn has two pairs of antennae. (b) Nematocysts are characteristics of the Phylum Cnidaria. (c) Millepedes have two pairs of appendages in each segment of the body. (d) Animals belonging to Phylum Porifera are marine and fresh water

Description : From the following statements select the wrong one. (a) Prawn has two pairs of antennae. (b) Nematocysts are characteristics of the Phylum Cnidaria. (c) Millepedes have two pairs of appendages in each segment of the body. (d) Animals belonging to Phylum Porifera are marine and fresh water

Last Answer : (a) Prawn has two pairs of antennae.

The characteristics of Class Reptilia are (a) body covered with moist skin which is devoid of scales, the ear is represented by a tympanum, alimentary canal, urinary and reproductive tracts open into a common cloaca (b) fresh water animals with bony endoskeleton, air- bladder to regulate buoyancy (c) marine animals with cartilaginous endos- keleton, body covered with placoid scales (d) body covered with dry and cornified skin, scales over the body are epidermal, they do not have external ears.

Description : The characteristics of Class Reptilia are (a) body covered with moist skin which is devoid of scales, the ear is represented by a tympanum, alimentary canal, urinary and reproductive tracts open into ... dry and cornified skin, scales over the body are epidermal, they do not have external ears.

Last Answer : (d) body covered with dry and cornified skin, scales over the body are epidermal, they do not have external ears.

The characteristics of Class Reptilia are (a) body covered with moist skin which is devoid of scales, the ear is represented by a tympanum, alimentary canal, urinary and reproductive tracts open into a common cloaca (b) fresh water animals with bony endoskeleton, air- bladder to regulate buoyancy (c) marine animals with cartilaginous endos- keleton, body covered with placoid scales (d) body covered with dry and cornified skin, scales over the body are epidermal, they do not have external ears.

Description : The characteristics of Class Reptilia are (a) body covered with moist skin which is devoid of scales, the ear is represented by a tympanum, alimentary canal, urinary and reproductive tracts open into ... dry and cornified skin, scales over the body are epidermal, they do not have external ears.

Last Answer : (d) body covered with dry and cornified skin, scales over the body are epidermal, they do not have external ears.

Cephalization is absent in

Description : Cephalization is absent in

Last Answer : Cephalization is absent in A. Molluscs B. Arthopods C. Both (1) and (2) D. Echinoderms

How is the nervous system characterized in beings of the phylum Annelida? How can one compare cephalization in annelids to cephalization in nematodes and platyhelminthes?

Description : How is the nervous system characterized in beings of the phylum Annelida? How can one compare cephalization in annelids to cephalization in nematodes and platyhelminthes?

Last Answer : Annelids have a nervous system made of two ventral chords and one relatively big nervous cell concentration in its anterior portion resembling a primitive brain. Nematodes have an anterior neural ... is more outstanding than in nematodes or in flatworms. Image Diversity: earthworm nervous system

Which tissue of animals and plants exhibits meiosis? -Biology

Description : Which tissue of animals and plants exhibits meiosis? -Biology

Last Answer : answer:

Biradial symmetry and lack of cnidoblasts are the characteristics of

Description : Biradial symmetry and lack of cnidoblasts are the characteristics of

Last Answer : Biradial symmetry and lack of cnidoblasts are the characteristics of A. Hydra and starfishes B. ... . Ctenophore and Beroe D. Aurelia and paramoecium

Biradial symmetry and lack of cnidoblasts are the characteristics of (a) Hydra and starfish (b) Starfish and sea anemone (c) Ctenoplana and Beroe (d) Aurelia and Paramecium.

Description : Biradial symmetry and lack of cnidoblasts are the characteristics of (a) Hydra and starfish (b) Starfish and sea anemone (c) Ctenoplana and Beroe (d) Aurelia and Paramecium.

Last Answer : (c) Ctenoplana and Beroe

Which one of the following phyla is correctly matched with its two general characteristics? (a) Echinodermata - pentamerous radial symmetry and mostly internal fertilization (b) Mollusca - normally oviparous and development through a trochophore or veliger larva (c) Arthropoda - body divided into head, thorax and abdomen and respiration by tracheae (d) Chordata - notochord at some stage and separate anal and urinary openings to the outside.

Description : Which one of the following phyla is correctly matched with its two general characteristics? (a) Echinodermata - pentamerous radial symmetry and mostly internal fertilization (b) Mollusca - normally ... Chordata - notochord at some stage and separate anal and urinary openings to the outside.

Last Answer : (c) Arthropoda - body divided into head, thorax and abdomen and respiration by tracheae

Which of the following characteristics would not be used to classify viruses? A.Type of cell wall structure B.Type of nucleic acid C.Presence of an envelope D.Symmetry

Description : Which of the following characteristics would not be used to classify viruses? A.Type of cell wall structure B.Type of nucleic acid C.Presence of an envelope D.Symmetry

Last Answer : A.Type of cell wall structure

Usually viruses are separated into several large groups based primarily onA.nature of the host B.nucleic acid characteristics C.capsid symmetry D.diameter of the viroin or nucleocapsid

Description : Usually viruses are separated into several large groups based primarily on A.nature of the host B.nucleic acid characteristics C.capsid symmetry D.diameter of the viroin or nucleocapsid

Last Answer : A.nature of the host

What animals live in the habitat?

Description : What animals live in the habitat?

Last Answer : I think trout, fresh water shrimp, fresh water crayfish,caddisfly lava live in fresh water.

What is an example of freshwater flatworm? Due to that habitat what is the physiological problem that these animals must solve?

Description : What is an example of freshwater flatworm? Due to that habitat what is the physiological problem that these animals must solve?

Last Answer : Platyhelminthes of freshwater, like planarias, have an internal environment much more concentrated in solutes than the exterior and so they present a tendency to gain water. These organisms then need ... have ciliated cells, the flame cells, that push water outside the body through excretory pores.

Which of the following is the most important cause of animals and plants being driven to extinction? (a) Habitat loss and fragmentation (b) Co-extinctions (c) Over-exploitation (d) Alien species invasion

Description : Which of the following is the most important cause of animals and plants being driven to extinction? (a) Habitat loss and fragmentation (b) Co-extinctions (c) Over-exploitation (d) Alien species invasion

Last Answer : (a) Habitat loss and fragmentation

Which of the following is the most important for animals and plants being driven to extinction? (a) Alien species invasion (b) Habitat loss and fragmentation (c) Drought and floods (d) Economic exploitation

Description : Which of the following is the most important for animals and plants being driven to extinction? (a) Alien species invasion (b) Habitat loss and fragmentation (c) Drought and floods (d) Economic exploitation

Last Answer : (b) Habitat loss and fragmentation

Which option correctly lists the reason that the true home of a tiger is jungle? (a) Tigers get the love of other animals in the jungle. (IV)(b) In cities they are scared of the noises of the patrolling car. (c) The jungle is tiger‘s natural habitat. (d) At zoos, they lose their privacy and they feel lonely.

Description : Which option correctly lists the reason that the true home of a tiger is jungle? (a) Tigers get the love of other animals in the jungle. (IV)(b) In cities they are scared of the noises of the ... ) The jungle is tiger s natural habitat. (d) At zoos, they lose their privacy and they feel lonely.

Last Answer : (c) The jungle is tiger‘s natural habitat.

Which one of the following statements aptly define the term “Taxonomy”? a. Branch of science concerned with classification, especially of organisms. b. Study which deals with emotional attributes of animals. c. Study regarding reproduction in cattle. d. Branch of zoology concerned with habitat preference among nocturnal organisms.

Description : Which one of the following statements aptly define the term Taxonomy ? a. Branch of science concerned with classification, especially of organisms. b. Study which deals with emotional ... reproduction in cattle. d. Branch of zoology concerned with habitat preference among nocturnal organisms.

Last Answer : a. Branch of science concerned with classification, especially of organisms.

Which one of the following statements aptly define the term “Taxonomy”? a. Branch of science concerned with classification, especially of organisms. b. Study which deals with emotional attributes of animals. c. Study regarding reproduction in cattle. d. Branch of zoology concerned with habitat preference among nocturnal organisms

Description : Which one of the following statements aptly define the term Taxonomy ? a. Branch of science concerned with classification, especially of organisms. b. Study which deals with emotional ... reproduction in cattle. d. Branch of zoology concerned with habitat preference among nocturnal organisms

Last Answer : a. Branch of science concerned with classification, especially of organisms.

Which of the following is not a cause for loss of biodiversity? A. Destruction of habitat B. Invasion by alien species C. Keeping animals in zoological parks D. Over-exploitation of natural resources

Description : Which of the following is not a cause for loss of biodiversity? A. Destruction of habitat B. Invasion by alien species C. Keeping animals in zoological parks D. Over-exploitation of natural resources

Last Answer : C. Keeping animals in zoological parks

Which of the following is not a cause for loss of biodiversity? A. Destruction of habitat B. Invasion by alien species C. Keeping animals in zoological parks D. Over-exploitation of natural resources

Description : Which of the following is not a cause for loss of biodiversity? A. Destruction of habitat B. Invasion by alien species C. Keeping animals in zoological parks D. Over-exploitation of natural resources

Last Answer : C. Keeping animals in zoological parks

What kind of symmetry is shown in animals whose body can only be divided in one plane to show mirror images?

Description : What kind of symmetry is shown in animals whose body can only be divided in one plane to show mirror images?

Last Answer : bilateral

Radial symmetry is, usually, exhibited in animals which (a) are attached to the substratum (b) have one opening of alimentary canal (c) live in water (d) have ciliary mode of feeding.

Description : Radial symmetry is, usually, exhibited in animals which (a) are attached to the substratum (b) have one opening of alimentary canal (c) live in water (d) have ciliary mode of feeding.

Last Answer : (a) are attached to the substratum

The figures (A – D) show four animals. Select the correct option with respect to a common characteristic of two of these animals. (A) (B) (C) (D) (a) (A) and (D) respire mainly through body wall. (b) (B) and (C) show radial symmetry. (c) (A) and (B) have cnidoblasts for self-defence. (d) (C) and (D) have a true coelom

Description : The figures (A - D) show four animals. Select the correct option with respect to a common characteristic of two of these animals. (A) (B) (C) (D) (a) (A) and (D) respire mainly through body wall. (b) ... . (c) (A) and (B) have cnidoblasts for self-defence. (d) (C) and (D) have a true coelom

Last Answer : (d) (C) and (D) have a true coelom.

Could you go to the beach and enter the water safely billions of years ago here on earth? In the sense that there used to be different species of marine animals and fish that could be dangerous to humans.

Description : Could you go to the beach and enter the water safely billions of years ago here on earth? In the sense that there used to be different species of marine animals and fish that could be dangerous to humans.

Last Answer : Just going back 1 billion yeas will put you in the Protozoic Era. It would be pretty safe for humans. There were harmless sponges and single cell animals at that time. No fish, reptiles or marine mammals.

Do marine animals suffer in underwater earthquakes?

Description : Do marine animals suffer in underwater earthquakes?

Last Answer : answer:Here s an article about the aftermath of the tsunami in Sumatra. Apparently toads are among the animals that can predict earthquakes! I would think that there would be some pretty ... greatly depending on the magnitude, which in turn would change the underwater ecosystem at least somewhat.

What do free-living marine animals do ?

Description : What do free-living marine animals do ?

Last Answer : Answer : Free-range marine animals move with the help of nalipads.

In which episode all the animals are marine ?

Description : In which episode all the animals are marine ?

Last Answer : All the animals in the Echinodermata episode are marine.

In which episode all the animals are marine ?

Last Answer : All the animals in the Echinodermata episode are marine.

Most Fast Marine Mammals Animals Which one ?

Last Answer : Killer Whale Most Fast Marine Mammals Animals

Which phylum includes exclusively marine non-parasitic forms of animals ?

Description : Which phylum includes exclusively marine non-parasitic forms of animals ?

Last Answer : Which phylum includes exclusively marine non-parasitic forms of animals ? A. Porifera B. Cnidaria C. Molluscs D. Echinoderms

Sepia and octopus are marine animals and their shiwt locomotion in water is effect by

Description : Sepia and octopus are marine animals and their shiwt locomotion in water is effect by

Last Answer : Sepia and octopus are marine animals and their shiwt locomotion in water is effect by A. Adhering ... D. Expelling water in a jet through siphon.