Question

how do organism obtain their nutrition?

Answer 1

answer organisms obtain nutrition by different methods such as
1) autotrophic method -in this organisms prepare their own food
2) heterotrophic -in this organisms feed on other organisms it is also of three types

a) saprophytic - in this food is broken outside the body
b) parasitic- they use mechanism of other organisms like virus does
c)holozoi-. they take food inside and then break it like humans

Answer 2

Different kind of organisms obtain thier food in different ways.

The process of obtaining food is called nutrition. Nutrition is of two types namely

1) AUTOTROPHIC

2) HETEROTROPHIC

Autotrophic nutrition - Autotrophic organisms make their own food by a process called photosynthesis. Green plants, for example, manufacture sugar and starch from carbon dioxide and water using the energy of sunlight to drive the necessary chemical reactions.

Heterotrophic nutrition - Heterotrophic organisms obtain their food from the bodies of other organisms. This is done in various ways.

Herbivores such as cattle, tortoises and sparrows eat plants.

Carnivores such as lions, crocodiles, sharks and kestrels eat the flesh of other animals.

Omnivores such as humans can eat both plants and animals.

Saprophytes such as many types of fungi and bacteria, obtain their food in liquid form from the remains of dead organisms. This feeding manifests itself as the process called decay.

Parasites such as tapeworms and mosquitoes live on or in another living organism (called the host) from which they obtain food.