SureDen
Division of animal kingdom:
Animal kingdom is further divided into eleven phylums: Porifera, Coelenterata, Ctenophora, Platyhelminthes, Asche
Attemps to Classify
In this chapter, we will describe Plantae kingdom under Algae, Bryophytes, Pteridophytes, Gymnosperms and Angiosperms. At pres
Decomposition:-
It is the process of conversion of complex. Organic compound into simple raw material. An organism perform
Cell: The Unit of Life
Cell:
It is the basic structural and functional Unit of life.
Dis
Colloidal State:-
Thomas Graham classified the substances on the basis of their diffusion through the animal or vegetable membrane (SPM). The aq.
Arthropoda:
Organization: Organ level
Symmetry: Bilateral
Coelom: present (coelomates)
Segmentat
Animals show 2 types of actions :-
Animal Breeding:
A breed is a specific group of domestic animals having similar appearance, size and behavior. It can be done artificiall
Mitosis:
This term was introduced by Flaming. This phase is called Equational division because number of chromoso
Plant cell:
Coelenterata:
Organization: Tissue level
Symmetry: Radial
Coelom: Absent
Segmentation: Absent
Arrangement of embryonic layers: Diploblastic
Digestive system: Incomplete (both inter
Difference between chordates and non-chordates:
Chordates: Notochord, gill slits and post anal tail all are present. Central nervo
3. Fragmentation:
It is that type of asexual reproduction in which the parental body breaks into two or more fragments either by wave action (e.g. sponges) or by
Mode of classification:
Here,individuals are classified on the basis of:
1) Arrangement of cells (level of organization
Porifera:
Organization: Cellular level
Symmetry: Various type
Coelom: Absent
Segmentation: Abse
Ctenophora:
Organization: Tissue level
Symmetry: Radial
Coelom: Absent
Segmentation: Abse
Platyhelminthes:
Organization: Organ level
Symmetry: Bilateral
Coelom: Absent
Segmentation: &nb
Aschelminthes:
Organization: Organ level
Symmetry: Bilateral
Coelom: Pseudo-coelomates
Segmenta
Annelida:
Organization: Organ level
Symmetry: Bilateral
Coelom: present (coelomates)
Segmentati
Mollusca:
Organization: Organ level
Symmetry: Bilateral
Coelom: present (coelomates)
Segmentation: Absent
Echinodermata:
Organization: Organ level
Symmetry: Radial
Coelom: present (coelomates)
Segmentation:
Hemichordata:
Organization: Organ level
Symmetry: Bilateral
Coelom: present (coelomates)
Segmentation
Chordata:
Organization: Organ level
Symmetry: Bilateral
Coelom: present (coelomates)
Segmentation: Present
Classes of sub-phylum Vertebrata:
1) Class-Cyclostomata:
They are ectoparasites on some fishes.
They have 6-15 pairs of gill slits for respiration.
Cyclostomes have a sucking and circular mouth with
Study of muscles is called mycology.
Muscle system consist muscle fibers as smallest unit.
Population Interaction
Interspecific interactions are interactions of populations of two differen
Taxonomical Aids
Taxonomy is the branch of biology that deals with identification, naming, and classification of organisms.
Ta
Plant Breeding Program:
This breeding program has a series of events that take place to achieve desired variations in a species:
VITAMINS
Vitamins may be defined as a group of biomolecules (other than fats, carbohydrates and proteins) which are required in small amounts for n
Pollution:-
Any undesirable change in composition of environment which is harmful for living organism.
Causes of po
Coming Soon...