The Characteristics of Life Quiz

Basic Units and Characteristic of Life

• The basic unit of living things is the cell.
• A group of individuals of the same species living together and interacting with each other and the environment is a population.

Reproduction and Metabolism

• The preferred method of reproduction in advanced organisms is sexual reproduction, which leads to variation.
• The reaction of organisms to stimuli in their environment is called response.

Types of Organisms

• Autotrophic organisms, such as plants, make their own food.
• A group of different tissues working together to carry out a function is an organ.

Structure and Organization

• The ordered way in which living things are arranged structurally is hierarchy of organization.
• The removal of waste products of metabolism from the body is excretion.

Definition and Characteristics of Life

• The one-sentence definition of life that covers all living organisms is the ability to respond, grow, reproduce, maintain homeostasis, and adapt to the environment.
• The two types of metabolism are anabolism and catabolism.
• Continuity of life describes the process of reproduction and the transmission of genetic information from one generation to the next.

Cells and Metabolism

• The smallest entity that has all the characteristics of Life is a cell.
• A characteristic of all living things is the ability to respond, grow, reproduce, maintain homeostasis, and adapt to the environment.
• The sum of all the chemical reactions in an organism is called metabolism.
• Anabolic metabolism involves the synthesis of proteins and DNA.