What are the major divisions of classification, classify man.

Asked by Last Modified  

Follow 1
Answer

Please enter your answer

Diploblastic: 1. Body wall develops from two embryonic germ layers- ectoderm and endoderms and persists as such in adult. 2. Non- cellular, gelatinous mesogloea is present in between ectoderm and endoderm. 3. Coelom is absent, e.g. Hydra (coelenterates), sponges (Porifera). Triploblastic: 1. Body develops...
read more
Diploblastic: 1. Body wall develops from two embryonic germ layers- ectoderm and endoderms and persists as such in adult. 2. Non- cellular, gelatinous mesogloea is present in between ectoderm and endoderm. 3. Coelom is absent, e.g. Hydra (coelenterates), sponges (Porifera). Triploblastic: 1. Body develops from 3 germ layers- ectoderm,mesoderm and endoderms. 2. Mesogloea is absent and mesoderm is present. 3. Coelom is present, e.g. platy-helminthes, annelids, arthropods, mollusks, echinoderms and choradates. read less
Comments

Bryophytes, contrary to other plants can't live in a water free environnement.Because they need water for reproduction. The Bryophytes are called amphibians of the plant world because they cannot live away from water. While reproducing, the gamete produced by the bryophyte will need water to travel...
read more
Bryophytes, contrary to other plants can't live in a water free environnement.Because they need water for reproduction. The Bryophytes are called amphibians of the plant world because they cannot live away from water. While reproducing, the gamete produced by the bryophyte will need water to travel from the male gametophyte to the femelle one. It works like flower's pollen in the wind but here in water. http://mousse.lescigales.org/multiplication.php As you can see, the gamete are release in a "goutte d'eau" witch is french for "drop of water". those drops full of gamete will then flow on the plants and fall on one the female gametophyte. Therefor water is an essential part of bryophyte life. read less
Comments

Related Questions

Distinguish between poikilothermous and homoiothermous organisms.
Homeotherms are animals that have a constant body temperature. Poikilotherms are animals whose body temperature adjusts depending on the environment.
Ashish
0 0
7

What is plasmolysis and deplasmolysis?

Plasmolysis is the process of water leaving plant cells, allowing the cytoplasm and plasma membrane to shrink away from the cell wall. This causes plants to wilt. Indeplasmolysis, water from the outside...
Bhawana
1 0
9
Why are Bryophytes regarded as the amphibians of plant kingdom?
Amphibians are those organisms which live on both land and in water. Bryophytes are called amphibians of the plant kingdom because these plants though live in soil but they need water for sexu@l reproduction.
Sarita
0 0
8

I'm NEET qualified and thinking about giving Biology tution for board and medical entrance exam preparation.

Tell me what you think about my decision? 

Its good that you are thinking to teach, but i think its time for you to study now and built your carrer, along with studies if you have spare time you can engage classes for 1 or 2 hrs a day. In this...
Priyanka Sharma
Discuss the salient features of viruses.
(a) They are smaller than bacteria. (b) They can be filterable. (c) May cause infection and diseases like small pox, flu etc. (d) Able to reproduce in host cells. (e) Use enzymes and metabolic machinery...
Jitendra
0 0
6

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons


Chapter 10: Cell Cycle & Cell Division (Class XI- NCERT)
CH 10 Cell Cycle & Cell Division: The Cell Cycle: The cell cycle is a series of sequential events that result in duplication and equal distribution of DNA and other sub-cellular components of the...

Neeraj Kumar

0 0
0

Biology For 12th Class
List of Clotting Factors: Factor I: Name: Fibrinogen. Source: Liver. Pathway: Both extrinsic and intrinsic. Activator: Thrombin. Actions: When fibrinogen is converted into fibrin by thrombin, it...
P

Pravin Pandey

2 0
0


Recommended Articles

Appearing for exams could be stressful for students. Even though they might have prepared well, they could suffer from anxiety, tension etc. These are not good for their health and mind. However, following a few exam preparation tips can save them from all these and help them to score good marks. Let’s find out all...

Read full article >

Learning for every child starts from a very young age. While the formal methods include school curriculums and private lessons, the informal methods include dancing, music, drawing, and various fun-filling activities. Playing games and practising these types of activities helps the children get out of boredom and...

Read full article >

With the mushrooming of international and private schools, it may seem that the education system of India is healthy. In reality, only 29% of children are sent to the private schools, while the remaining head for government or state funded education. So, to check the reality of Indian education system it is better to look...

Read full article >

Quality education does not only help children to get a successful career and life, but it also hugely contributes to society. The formal education of every child starts from school. Although there are numerous schools, parents find it challenging to choose the right one that would fit their child. It is difficult for them...

Read full article >

Looking for Class 11 Tuition ?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you