A Beginner's Guide to Zoology

  

 

 

WHAT IS ZOOLOGY

zoology definition

 

Zoology is the study of animals.

How they live, reproduce and die.

What kinds of impressions they have on over environments.

Principles and their uses

Basically the basic principle of zoology are derived from the chemistry and physics.

There is a heir archery in living systems.

Which includes macromolecules

Cells, organisms, populations, species

Living organisms have properties

Metabolism

All living system have gets nutrients from their environment. The metabolic process includes many steps.

It includes eating.

It includes digestion.

They convert it into energy.

It also involves synthesis of required molecules and structures by organisms.

DEVELOPMENT

moral development stages

It is a characteristics that an organisms goes from its birth to adult and then till its death.

How many animals do you think are present in this universe?

The estimated number is round about 1.5million.

There is another estimation that these is around 30 million species of which we only found 1.5 million.

 

animals

Animals are multicellular organisms.

They can move from one place to another.

They obtain nutrients from their surrounding environment.

Kingdom animal is divided into 38 phylum’s.

We belong to the phylum chordata.

Arthopoda is the phylum which have most of species we are to.

Examples of arthropod is

Spiders, lobsters, insects.

Mollusca

phylum mollusca mollusca characteristics they live in marine and fresh water . their body has a cavity. they are divided into four parts  head,viscerel mass, muscular foot, mantle. they have compound eyes and thier head contains tentacles. their body is calcareous shell. mollusca phylum

Echinodermata

phylum echinodermata echinodermata characteristics they are highly exclusive marine animals. they have spiny skined. they are triploblastic. there skeleton is madeof calcium carbonate.

Rotifer

phylum rotifer

These are the microscopic aquatic animals.

Nematode

root knot nematode

These are round worm, pinworms,

Hookworms.

Porifera

Sporing animals

Coelenterate

Cnidarian, stingers, corals, anemones

Ctenophore

Comb,jellies,and have lack stinging cells.