Name: Modes of Excretion
Uploaded: 2019-07-19
Duration: 3 min 20 s
Description: This video discusses three modes of excretion: Ammonotelism, Ureotelism, and Uricotelism. It stresses the form of nitrogenous wastes excreted in three modes of excretion and highlights the associated organisms.

Question

Describe the characteristics of living things in detail.

Accepted Answer

The characteristics of living things are as follows:

1. Cellular organization-

All the living organisms are made up of cells.

It is of two types- unicellular organization and multicellular organization.

2. Nutrition-

The plants and animals use the energy obtained from the food to carry out various activities, such as growth, maintenance, and repair of the injured parts.

3. Respiration-

It is a key feature of all living organisms. It is of two types:

External respiration- The exchange of gases between the environment and the body is called external respiration.

Internal respiration- It is the breakdown of food within the cells to release energy.

4. Excretion-

The process of elimination of waste products from the living body to maintain a constant environment in it is called excretion.

5. Reproduction-

The process of giving birth to their young ones. It is of two types: asexual and sexual reproduction.

6. Growth and development-

Growth is defined as an increase in the size and mass of an organism.

Development is the process where, the parts of the organisms form shapes, mature, and function according to their roles.

7. Response to stimuli-

All living things react to the changes around them.

8. Lifespan-

It is the period of time that an organism is expected to live and it is different for all the organisms.

Describe the characteristics of living things in detail.

Important Questions on Characteristics of Living Things

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