Phylum Coelenterata - Tissue | Class 9 Biology

✔️📚👉 Watch Full Free Course:- https://www.magnetbrains.com​
✔️📚👉 Get Notes Here: https://www.pabbly.com/out/magnet-brains​
✔️📚👉 Get All Subjects playlists:- ​https://www.pabbly.com/out/all-videos-playlist

===============================================
✅ In this video,

✔️ Class: 9th
✔️ Subject: Biology
✔️ Chapter: Tissue
✔️ Topic Name: Phylum Coelenterata

===============================================

📢 🔥 Available (Kindergarten to 12th) all Video Subject wise Playlist https://www.pabbly.com/out/all-videos-playlist

Why study from Magnet Brains?
Magnet Brains is an online education platform that helps give You NCERT/CBSE curriculum based free full courses from Kindergarten to Class 12th so that you can perform well in any and all exams you give in your academic career.

👉 Contact us 🤑🤑
➡️ Connect with us : magnetbrainsbhopal@gmail.com
➡️ Website : https://www.magnetbrains.com/
➡️ Subscribe to us on YouTube: https://www.youtube.com/MagnetBrainsEducation?sub_confirmation=1
➡️ Facebook : https://www.facebook.com/groups/MagnetBrains/
Points covered in this video:-
Aquatic animals
Tissue level of organisation
Body is soft
Becomes hard because of calcium and minerals deposition
Hard body surface act as Exoskeleton
Some are colonial, others live solitary like span (hydra)
Body is made of two layers:
One makes up cells on the outside of body Ectoderm
Other makes inner living body Endoderm
Diploblastic - Two germ layers in embryo
Central gastrovascular cavity is present
Mouth is present surrounded by tentacles
Tentacles help the organisms to move and to sense environment
Anus is absent
Radial symmetry is present
Mostly marine some are freshwater animals e.g. Hydra

Видео Phylum Coelenterata - Tissue | Class 9 Biology канала Magnet Brains