Biology
- Amphibian
Term: ampibian Origin: Anc Greek ????/amphe(-on both kinds) + ????/bios(=life) à having a doubtful nature Coined : by Carl Linnaeus who in 1758 in the 10th edition of Systema Naturae described theAmphibia as a polyphyletic group including amphibians,...
- Comparison Between Amphibians And Reptiles
Differences between Amphibians and Reptiles Features Amphibians Reptiles Group They come under class Amphibia They come under class Reptilia Habit and habitat They usually stay near water sources to prevent drying out, and have smooth...
- Animal Kingdom: Model Questions
Animal Kingdom: Model Questions 1. An animal shows the following characters:· Body is dorso-ventrally flattened· Parenchyma cells are found between the body...
- Breathing And Exchange Of Gases
Click here for PDFRespiration is the oxidation of nutrients in the living cells to release energy for biological work. Breathing is the exchange of O2 from the atmosphere with CO2 produced by the cells. Respiratory organs· General...
- Animal Kingdom- Notes
Phylum Name given by No. of species Levels of organization Germ layers Symmetry Coelom Porifera Robert Grant 5000 Cellular Diploblastic Asymmetrical/ radial Acoelomate Cnidaria Leuckart (1847) 9000 Tissue...
Biology
RESPIRATORY ORGANS OF ANIMALS
| Phylum | Respiratory organ | |
| Porifera | Body surface | |
| Cnidaria | Body surface | |
| Ctenophora | Body surface | |
| Platyhelminthes | Body surface | |
| Nemathelminthes | Body surface | |
| Annelida | Skin (integument) | |
| Arthropoda | Aquatic insects (mayflies, nymphs etc) | Tracheal gills |
| Damselfly nymphs | Caudal gills | |
| Limulus | Gill books | |
| Scorpion, some spiders, Scutigera and chilopods | Book lungs (Diffusion lungs) | |
| Insects, some spiders | Trachea | |
| Some crabs (e.g. coconut crabs) | Branchiostegal lung (gill-like lung) | |
| Mollusca | | Skin (Cutaneous) |
| Aquatic forms | Ctenidia (gills) | |
| Terrestrial forms | Pulmonary sacs (lungs) | |
| Echinodermata | | Dermal branchiae (skin gills) |
| Holothurians | Water lungs | |
| Hemichordata | Gills | |
| Chordata | Lungfishes | Ventilation lungs |
| Fishes | Internal gills, lungs (for lung fishes) | |
| Some teleost fishes | Swim bladder (air bladder) | |
| Fishes such as Misgurnus, Ancistrus and Plecostomus | Alimentary mucosa | |
| Labyrinth fish | Labyrinth organ ? A secondary breathing organ | |
| Amphibians | Skin, lungs, external gills (for tadpoles) | |
| Reptiles | Ventilation Lungs | |
| Birds | Ventilation Lungs | |
| Mammals | Ventilation Lungs | |
- Amphibian
Term: ampibian Origin: Anc Greek ????/amphe(-on both kinds) + ????/bios(=life) à having a doubtful nature Coined : by Carl Linnaeus who in 1758 in the 10th edition of Systema Naturae described theAmphibia as a polyphyletic group including amphibians,...
- Comparison Between Amphibians And Reptiles
Differences between Amphibians and Reptiles Features Amphibians Reptiles Group They come under class Amphibia They come under class Reptilia Habit and habitat They usually stay near water sources to prevent drying out, and have smooth...
- Animal Kingdom: Model Questions
Animal Kingdom: Model Questions 1. An animal shows the following characters:· Body is dorso-ventrally flattened· Parenchyma cells are found between the body...
- Breathing And Exchange Of Gases
Click here for PDFRespiration is the oxidation of nutrients in the living cells to release energy for biological work. Breathing is the exchange of O2 from the atmosphere with CO2 produced by the cells. Respiratory organs· General...
- Animal Kingdom- Notes
Phylum Name given by No. of species Levels of organization Germ layers Symmetry Coelom Porifera Robert Grant 5000 Cellular Diploblastic Asymmetrical/ radial Acoelomate Cnidaria Leuckart (1847) 9000 Tissue...