Both snake and turtle have been placed by taxonomists in class Reptilia of phylum Chordata. This is done because of following features; (i) skin without glands; (ii) three-chambered (in-fact incompletely four chambered) heart; (iii) respiration through lungs; (iv) cold blooded; (v) hard shelled eggsRead more
Both snake and turtle have been placed by taxonomists in class Reptilia of phylum Chordata. This is done because of following features; (i) skin without glands; (ii) three-chambered (in-fact incompletely four chambered) heart; (iii) respiration through lungs; (iv) cold blooded; (v) hard shelled eggs; (vi) embryo protected by extra embryonic membranes.
Cat, Rat and Bat belong to same class Mammalia, phylum Chordata. The common characters of these animals are (i) Hair; (ii) Mammary glands; (iii) Integumentary glands, e.g., sweat glands; (iv) Seven cervical vertebrae; (v) Diaphragm; (vi) Four chambered heart, (vii) External pinnae; (viii) Vivipary.
Cat, Rat and Bat belong to same class Mammalia, phylum Chordata. The common characters of these animals are (i) Hair; (ii) Mammary glands; (iii) Integumentary glands, e.g., sweat glands; (iv) Seven cervical vertebrae; (v) Diaphragm; (vi) Four chambered heart, (vii) External pinnae; (viii) Vivipary.
Differentiate between flying lizard and Bird. Flying lizard:- 1. It belongs to class Reptilia of phylum Chordata. 2. The animal is cold blooded. 3. Its heart is three chambered. 4. Feathers are absent. 5. Jaws have teeth. 6. It has normal fore limbs. 7. A patagium is present for helping in gliding (Read more
Differentiate between flying lizard and Bird.
Flying lizard:-
1. It belongs to class Reptilia of phylum Chordata.
2. The animal is cold blooded.
3. Its heart is three chambered.
4. Feathers are absent.
5. Jaws have teeth.
6. It has normal fore limbs.
7. A patagium is present for helping in gliding (Patagium is a fold of skin extending between the forelimbs and hindlimbs of an arboreal animal).
8. Body is covered by scales.
Bird:- 1. It belongs to class Aves of phylum Chordata.
2. The animal is warm blooded.
3. Its heart is four-chambered.
4. Feathers are present.
5. jaws are modified into beak. Teeth are absent,
6. Its forelimbs are modified into wings.
7. A patagium is absent.
8. Scales are restricted to hindlimbs.
Mango tree is more complex and evolved among bacteria, mushroom and mango tree because of the following characters: 1. Differentiated sporophyte; 2. Vascular tissues (xylem and phloem); 3. Embryo stage in life cycle; 4. Seeds present inside fruit. Bacteria are prokaryotic. Mushroom is eukaryotic (fuRead more
Mango tree is more complex and evolved among bacteria, mushroom and mango tree because of the following characters:
1. Differentiated sporophyte; 2. Vascular tissues (xylem and phloem); 3. Embryo stage in life cycle; 4. Seeds present inside fruit. Bacteria are prokaryotic. Mushroom is eukaryotic (fungus) but without any differentiation in body of stem, leaves, roots, absence of vascular tissues and embryonic stage.
No (l) Leech and Nereis have metameric segmentation (i.e., external segmentation of body corresponding to internal segmentation), closed circulatory system and unjointed appendages. They belong to phylum Annelida. (ii) Scolopendra (centipede), Prawn and Scorpion also have segmented body but they havRead more
No (l) Leech and Nereis have metameric segmentation (i.e., external segmentation of body corresponding to internal segmentation), closed circulatory system and unjointed appendages. They belong to phylum Annelida.
(ii) Scolopendra (centipede), Prawn and Scorpion also have segmented body but they have open circulatory system, jointed appendages and chitinous exoskeleton. They belong to phylum Arthropoda.
(a) Bilateral symmetry. It is a type of body symmetry in which appendages and organs of the body are paired with one of each pair being present in right and left halves of the body. It is an adaptation of motile life style, e.g., Frog/Lizards/Sparrow,/Human being. (b) Coelom. It is a mesoderm lined,Read more
(a) Bilateral symmetry. It is a type of body symmetry in which appendages and organs of the body are paired with one of each pair being present in right and left halves of the body. It is an adaptation of motile life style, e.g., Frog/Lizards/Sparrow,/Human being.
(b) Coelom. It is a mesoderm lined, fluid-filled internal body cavity that provides a shock proof environment
to the contained body organs, e.g., annelids, chordates.
(c) Triploblastic. They are animals having three germinal layers – outer ectoderm, middle mesoderm and
inner endoderm, e.g., liver fluke/ Ascaris / Pheretima/house fly/star fish/Amphioxus cat.
Why do we keep both snake and turtle in the same class?
Both snake and turtle have been placed by taxonomists in class Reptilia of phylum Chordata. This is done because of following features; (i) skin without glands; (ii) three-chambered (in-fact incompletely four chambered) heart; (iii) respiration through lungs; (iv) cold blooded; (v) hard shelled eggsRead more
Both snake and turtle have been placed by taxonomists in class Reptilia of phylum Chordata. This is done because of following features; (i) skin without glands; (ii) three-chambered (in-fact incompletely four chambered) heart; (iii) respiration through lungs; (iv) cold blooded; (v) hard shelled eggs; (vi) embryo protected by extra embryonic membranes.
See lessList out some common features in Cat, Rat and Bat.
Cat, Rat and Bat belong to same class Mammalia, phylum Chordata. The common characters of these animals are (i) Hair; (ii) Mammary glands; (iii) Integumentary glands, e.g., sweat glands; (iv) Seven cervical vertebrae; (v) Diaphragm; (vi) Four chambered heart, (vii) External pinnae; (viii) Vivipary.
Cat, Rat and Bat belong to same class Mammalia, phylum Chordata. The common characters of these animals are (i) Hair; (ii) Mammary glands; (iii) Integumentary glands, e.g., sweat glands; (iv) Seven cervical vertebrae; (v) Diaphragm; (vi) Four chambered heart, (vii) External pinnae; (viii) Vivipary.
See lessDifferentiate between flying lizard and Bird.
Differentiate between flying lizard and Bird. Flying lizard:- 1. It belongs to class Reptilia of phylum Chordata. 2. The animal is cold blooded. 3. Its heart is three chambered. 4. Feathers are absent. 5. Jaws have teeth. 6. It has normal fore limbs. 7. A patagium is present for helping in gliding (Read more
Differentiate between flying lizard and Bird.
Flying lizard:-
1. It belongs to class Reptilia of phylum Chordata.
2. The animal is cold blooded.
3. Its heart is three chambered.
4. Feathers are absent.
5. Jaws have teeth.
6. It has normal fore limbs.
7. A patagium is present for helping in gliding (Patagium is a fold of skin extending between the forelimbs and hindlimbs of an arboreal animal).
8. Body is covered by scales.
Bird:- 1. It belongs to class Aves of phylum Chordata.
See less2. The animal is warm blooded.
3. Its heart is four-chambered.
4. Feathers are present.
5. jaws are modified into beak. Teeth are absent,
6. Its forelimbs are modified into wings.
7. A patagium is absent.
8. Scales are restricted to hindlimbs.
Which organism is more complex and evolved among Bacteria, Mushroom and Mango tree, Give reason.
Mango tree is more complex and evolved among bacteria, mushroom and mango tree because of the following characters: 1. Differentiated sporophyte; 2. Vascular tissues (xylem and phloem); 3. Embryo stage in life cycle; 4. Seeds present inside fruit. Bacteria are prokaryotic. Mushroom is eukaryotic (fuRead more
Mango tree is more complex and evolved among bacteria, mushroom and mango tree because of the following characters:
See less1. Differentiated sporophyte; 2. Vascular tissues (xylem and phloem); 3. Embryo stage in life cycle; 4. Seeds present inside fruit. Bacteria are prokaryotic. Mushroom is eukaryotic (fungus) but without any differentiation in body of stem, leaves, roots, absence of vascular tissues and embryonic stage.
You are given Leech,Nereis, Scolopndra; Prawn and Scorpion. All have segmented body organisation. Will you classify them in one group? If not give the important characters based on which you will separate these into different groups.
No (l) Leech and Nereis have metameric segmentation (i.e., external segmentation of body corresponding to internal segmentation), closed circulatory system and unjointed appendages. They belong to phylum Annelida. (ii) Scolopendra (centipede), Prawn and Scorpion also have segmented body but they havRead more
No (l) Leech and Nereis have metameric segmentation (i.e., external segmentation of body corresponding to internal segmentation), closed circulatory system and unjointed appendages. They belong to phylum Annelida.
See less(ii) Scolopendra (centipede), Prawn and Scorpion also have segmented body but they have open circulatory system, jointed appendages and chitinous exoskeleton. They belong to phylum Arthropoda.
Define terms and one example of each (a) Bilateral Symmetry, (b) Coelom, (c) Triploblastic.
(a) Bilateral symmetry. It is a type of body symmetry in which appendages and organs of the body are paired with one of each pair being present in right and left halves of the body. It is an adaptation of motile life style, e.g., Frog/Lizards/Sparrow,/Human being. (b) Coelom. It is a mesoderm lined,Read more
(a) Bilateral symmetry. It is a type of body symmetry in which appendages and organs of the body are paired with one of each pair being present in right and left halves of the body. It is an adaptation of motile life style, e.g., Frog/Lizards/Sparrow,/Human being.
See less(b) Coelom. It is a mesoderm lined, fluid-filled internal body cavity that provides a shock proof environment
to the contained body organs, e.g., annelids, chordates.
(c) Triploblastic. They are animals having three germinal layers – outer ectoderm, middle mesoderm and
inner endoderm, e.g., liver fluke/ Ascaris / Pheretima/house fly/star fish/Amphioxus cat.
Fill in the Blanks: Open circulatory system is found in ……….
Open circulatory system is found in Arthropoda'
Open circulatory system is found in Arthropoda’
See lessFill in the Blanks: Bilateral, dorsiventral symmetry is found in …………..
Bilateral, dorsiventral symmetry is found in Liver fluke / Frog/Lizard
Bilateral, dorsiventral symmetry is found in Liver fluke / Frog/Lizard
See lessFill in the Blanks: Worm causing elephantiasis is ……….
Worm causing elephantiasis is Wuchereria or Filaria;
Worm causing elephantiasis is Wuchereria or Filaria;
See lessFill in the Blanks: ………………. are known to have pseudocoelom.
nematodes or roundworms are known to have pseudocoelom.
nematodes or roundworms are known to have pseudocoelom.
See less