study everything in a linking manner...'exaple...
![http://2.bp.blogspot.com/-OtNSveHq0tk/Tj7dmZ_BLLI/AAAAAAAAAGo/Oi0yn7DpuYY/s1600/Classification+of+plants+-+Pantae+Major+Divison.PNG](http://2.bp.blogspot.com/-OtNSveHq0tk/Tj7dmZ_BLLI/AAAAAAAAAGo/Oi0yn7DpuYY/s1600/Classification+of+plants+-+Pantae+Major+Divison.PNG)
make a table of differences........
How do poriferan animals differ from coelenterate animals?
Answer :
Differences between Poriferan animals and Coelenterate animals |
Porifera | Coelenterate |
They are mostly marine, non-motile and found attached to rocks. They show cellular level of organization Examples - Spongilla, Euplectella etc | They are excusively merine animals that either leave in colonies or have a solitary life span. They show tissues level of organisation Examples - Hydra, Sea Anemone, Corals etc. |
How do annelid animals differ from arthropods?
Answer :
Differences between Annelid animals and Arthropods |
Annelid animals | Arthropods animals |
The circulatory system of Annelid animals is closed The body is divided into several identical segments | The Arthropods have an open circulatory system The body is divided into few specialized segments |
What are the differences between amphibians and reptiles?
Answer :
Differences between Amphibians and Reptiles |
Amphibians | Reptiles |
They have dual mode of life. Scales are absent. They lay eggs in water. | They are completely terrestrial. The skin is covered with scales. They lay eggs on land. |
What are the differences between animals belonging to the Aves group and those in the mammalian group?
Answer :
Differences between Aves group and Mammalian group |
Aves group | Mammalian group |
Most birds have feathers and they possess a beak. They lays eggs, hence are oviparous. | They do not have feathers and beak is also not present. Some of them lay eggs and some give birth to young hence they are both viviparous and oviparous |