Topic 1 Lesson 1 Living Things

Organism

Any living thing

Homeostasis

The condition in which an organism's internal environment is kept stable in spite of changes in the external environment.

Cell

The basic unit of structure and function in living things

spontaneous generation

the mistaken idea that living things arise from nonliving sources

Unicellular

Made of a single cell

response

An action or change in behavior that occurs as a result of a stimulus.

Multicellular

Consisting of many cells

Stimulus

Any change or signal in the environment that can make an organism react in some way.

What characteristics do all living things share?

All living things have a cellular organization, contain similar chemicals, use energy, respond to their surroundings, grow and develop, and reproduce.

What is the difference between unicellular and multicellular?

Unicellular performs ALL functions for life while multi cellular have many cells that work together to perform life functions.

What was a myth that was once believed to be true in the 1600's?

Spontaneous Generation

What are the 3 things that all living things NEED to survive?

Food, Water & Space

What is needed to make fungi thrive and survive?

Dark environments with LOTS of water!