Characteristics of Life and L1-1 Review

Front

What are the characteristics of life?

Back

1. Made up of cells 2. Reproduction 3. Growth and development 4. Response to stimuli 5. Metabolism (use of energy) 6. Homeostasis (maintaining stable internal conditions) 7. Adaptation through evolution.

Front

Why are microscopes important when studying most cells?

Back

Most cells are very small, making them difficult to see without magnification.

Front

What does it mean for living things to respond to their environment?

Back

It means that living organisms can react to changes in their surroundings, such as light, temperature, and other stimuli.

Front

Who coined the term 'cell' and what did he observe?

Back

Robert Hooke coined the term 'cell' after observing cork under a microscope.

Front

What is the function of the diaphragm in a microscope?

Back

The diaphragm controls the amount of light that reaches the specimen being observed.

Front

Which characteristic of life is demonstrated by a tulip opening at sunrise and closing at sunset?

Back

This demonstrates that all living things respond to their environment.

Front

What is metabolism in the context of living organisms?

Back

Metabolism refers to all the chemical processes that occur within a living organism to maintain life, including energy production and consumption.

Front

What is homeostasis?

Back

Homeostasis is the ability of an organism to maintain stable internal conditions despite changes in the external environment.

Front

What is the difference between unicellular and multicellular organisms?

Back

Unicellular organisms consist of a single cell, while multicellular organisms are made up of multiple cells.

Front

What is reproduction in living organisms?

Back

Reproduction is the biological process by which new individual organisms are produced, either sexually or asexually.