Aves includes the birds which have the following differences with mammals. Aves:- 1. They are oviparous, i.e., lay eggs. 2. Do not have mammary glands. 3. Their bodies are covered with feathers. 4. Cutaneous glands are absents. 5. Teeth are absent. 6. Diaphragm is absent. Mnmmslia:- 1. Most of themRead more
Aves includes the birds which have the following differences with mammals.
Aves:-
1. They are oviparous, i.e., lay eggs.
2. Do not have mammary glands.
3. Their bodies are covered with feathers.
4. Cutaneous glands are absents.
5. Teeth are absent.
6. Diaphragm is absent.
Mnmmslia:-
1. Most of them are viviparous, i.e., lay young babies.
2. Have mammary glands for the production of milk to nourish their young.
4. Their bodies are covered with hairs. Cutaneous glands such as sweat glands, scent glands and sebaceous (oil) glands are present in skin.
Teeth are present.
5. A muscular diaphragm separates thoracic and
6. abdominal cavities.
Amphibians differ from reptiles in the following respects: Amphibians:- 1. Skin is moist and slimy. 2. Lay eggs inside the water. 3. Their larvae have gills. Reptilia:- 1. Skin is dry and covered by scales of scute plates. 2 Lay eggs outside the water. 3. No larva is produced.
Amphibians differ from reptiles in the following respects:
Amphibians:-
1. Skin is moist and slimy.
2. Lay eggs inside the water.
3. Their larvae have gills.
Reptilia:-
1. Skin is dry and covered by scales of scute plates.
2 Lay eggs outside the water.
3. No larva is produced.
Annelid animals differ from Arthropod animals in following respects: Annelid:- 1. Animals are metamerically segmented both extemally as well as internally. 2. Exoskeleton absent 3. Appendages are not jointed. 4. Excretion by nephridia. Arthropod: 1. Animals are segmented both internally as well as eRead more
Annelid animals differ from Arthropod animals in following respects:
Annelid:-
1. Animals are metamerically segmented both extemally as well as internally.
2. Exoskeleton absent
3. Appendages are not jointed.
4. Excretion by nephridia.
Arthropod:
1. Animals are segmented both internally as well as extenally.
2. Exoskeleton present.
3. Appendages are jointed.
4. Nephridia are absent. Excretion by coelomoducts, Malpighian tubules or
green glands.
Porifers differ from Coelenterata in following characters: Porifers: 1. Cellular level of organisation. 2. Have a canal system. 3. Digestion by choanocytes. 4. Do not have nematocysts. 5. Do not exhibit the phenomenon polymorphism. Coelenterata: 1. Tissue level of organization. 2. Do not have a canaRead more
Porifers differ from Coelenterata in following characters:
Porifers:
1. Cellular level of organisation.
2. Have a canal system.
3. Digestion by choanocytes.
4. Do not have nematocysts.
5. Do not exhibit the phenomenon polymorphism.
Coelenterata:
1. Tissue level of organization.
2. Do not have a canal system.
3. Choanocytes are absent.
4. Have nematocysts.
5. Exhibit the phenomenon of polymorphism.
What are the differences between animals belonging the Aves group and those in the Mammalia group.
Aves includes the birds which have the following differences with mammals. Aves:- 1. They are oviparous, i.e., lay eggs. 2. Do not have mammary glands. 3. Their bodies are covered with feathers. 4. Cutaneous glands are absents. 5. Teeth are absent. 6. Diaphragm is absent. Mnmmslia:- 1. Most of themRead more
Aves includes the birds which have the following differences with mammals.
See lessAves:-
1. They are oviparous, i.e., lay eggs.
2. Do not have mammary glands.
3. Their bodies are covered with feathers.
4. Cutaneous glands are absents.
5. Teeth are absent.
6. Diaphragm is absent.
Mnmmslia:-
1. Most of them are viviparous, i.e., lay young babies.
2. Have mammary glands for the production of milk to nourish their young.
4. Their bodies are covered with hairs. Cutaneous glands such as sweat glands, scent glands and sebaceous (oil) glands are present in skin.
Teeth are present.
5. A muscular diaphragm separates thoracic and
6. abdominal cavities.
What are the differences between amphibians and reptiles?
Amphibians differ from reptiles in the following respects: Amphibians:- 1. Skin is moist and slimy. 2. Lay eggs inside the water. 3. Their larvae have gills. Reptilia:- 1. Skin is dry and covered by scales of scute plates. 2 Lay eggs outside the water. 3. No larva is produced.
Amphibians differ from reptiles in the following respects:
See lessAmphibians:-
1. Skin is moist and slimy.
2. Lay eggs inside the water.
3. Their larvae have gills.
Reptilia:-
1. Skin is dry and covered by scales of scute plates.
2 Lay eggs outside the water.
3. No larva is produced.
How do annelid animals differ from arthropod animals?
Annelid animals differ from Arthropod animals in following respects: Annelid:- 1. Animals are metamerically segmented both extemally as well as internally. 2. Exoskeleton absent 3. Appendages are not jointed. 4. Excretion by nephridia. Arthropod: 1. Animals are segmented both internally as well as eRead more
Annelid animals differ from Arthropod animals in following respects:
See lessAnnelid:-
1. Animals are metamerically segmented both extemally as well as internally.
2. Exoskeleton absent
3. Appendages are not jointed.
4. Excretion by nephridia.
Arthropod:
1. Animals are segmented both internally as well as extenally.
2. Exoskeleton present.
3. Appendages are jointed.
4. Nephridia are absent. Excretion by coelomoducts, Malpighian tubules or
green glands.
How do poriferan animals differ from coelenterate animals?
Porifers differ from Coelenterata in following characters: Porifers: 1. Cellular level of organisation. 2. Have a canal system. 3. Digestion by choanocytes. 4. Do not have nematocysts. 5. Do not exhibit the phenomenon polymorphism. Coelenterata: 1. Tissue level of organization. 2. Do not have a canaRead more
Porifers differ from Coelenterata in following characters:
See lessPorifers:
1. Cellular level of organisation.
2. Have a canal system.
3. Digestion by choanocytes.
4. Do not have nematocysts.
5. Do not exhibit the phenomenon polymorphism.
Coelenterata:
1. Tissue level of organization.
2. Do not have a canal system.
3. Choanocytes are absent.
4. Have nematocysts.
5. Exhibit the phenomenon of polymorphism.
How do gymnosperms and angiosperms differ from each other?
The gymnosperms have naked seeds (1.e., seeds are not enclosed within the fruits) whereas the angiosperms have seeds inside the fruits.
The gymnosperms have naked seeds (1.e., seeds are not enclosed within the fruits) whereas the angiosperms have seeds inside the fruits.
See less