Review this flashcards to prepare for your quiz on characteristics of life and themes of Biology

All living organisms are made up of one or more _________.

Cells

Asexual Reproduction

A single parent passes copies of all its genes to each of its offspring.

Biology

The study of life

Bio means:

Life or living

Cells

Smallest unit of structure and function in living things.

Cells

Basic unit of life, capable of performing life functions.

DNA

Molecule in which organisms store the complex information they need to live, grow, and reproduce.

Eukaryotes

Single cell or multi-celled organisms
Have a nucleus
Example(s): any cell other than a bacteria cell - blood cell, paramecium, amoeba, plant cell, bone cell.

Evolution

Change over time

Example of an organism that does asexual reproduction

Bacteria, protist, hydra

Growth

An increase in the size or number of cells

Homeostasis

The cause of death of an organism is always the loss of ________________.

Homeostasis

A regulatory process in which an organism regulates its internal environment. Maintaining stable internal conditions by regulating water, temperature, salt, sugar, etc.

Metabolism

Combination of chemical reactions through which an organism builds up or breaks down materials.

Mutations

Change occurs in organisms because of genetic _______________________ (changes in DNA) which can make them more or less adapted to the environment.

Ology means:

The study of

Organism

Any living thing

Prokaryotes

Single-cell organisms
Do not have a nucleus
Example(s): bacteria

Reproduction

Process by which organisms make more of their own kind

Responsiveness

Organisms respond to their environment and adapt (or adjust) to the conditions.

Sexual reproduction

Two parents form reproductive cells and cells are combined.

Stimulus

Signal to which an organism responds

What are the 8 characteristics of life?

1. Homeostasis
2. Made of cells
3. Evolve
4. Responsiveness
5. Growth
6. Reproduction
7. Metabolism
8. Have DNA

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