is the scientific study of life, focusing on organisms and their structures.

Context: Definition of Biology

Cells are the basic unit of life according to theory.

Context: Key principle in Biology

is the hereditary material that passes instructions for traits from parents to offspring.

Context: Genetics concept

The process by which organisms change over time via natural selection is called .

Context: Concept of change in species

The ability of an organism to maintain a stable internal environment is known as .

Context: Biological principle

Living things require energy, which plants obtain through .

Context: Energy acquisition in plants

To be classified as living, an organism must exhibit all seven life processes, often remembered as .

Context: Characteristics of life

The hierarchy of life includes cells, tissues, organs, organ systems, and finally the .

Context: Levels of biological organization

is the study of how organisms interact with their environment.

Context: Branch of biology

The study of animals is known as .

Context: Branch of biology

The process of getting rid of waste products in living organisms is called .

Context: Characteristic of life

Organisms obtain energy by consuming organic matter, a process known as .

Context: Biological process

The study of heredity and genes is referred to as .

Context: Branch of biology

An organism's ability to respond to changes in the environment is called .

Context: Characteristic of life

The process of increasing in size or complexity is known as .

Context: Characteristic of life