Like this study set? Create a free account to save it.

Sign up for an account

Already have a Quizlet account? .

Create an account


all organismms or living things are made of ___.

splits or divides

every cell in every living thing comes from another cell that ___________.


A single-celled organism that can carry on all its life processes is called_______.


Organisms made up of more than one cell are called _________.

1 billion

Scientists estimate that there are _______ kinds of unicellular organisms


Both plant and animal cells perform life processes by using __________.

cell membrane

All cells are surrounded by a ____ _____ that controls the materials that move in and out of the cell.


The region between the cell membrane and the nucleus is filed with ______________.


The cell's control center is called the __________.


The tiny power plants in the cell where food is broken down and energy is released are called _______________.


A structure in a cell used for storage of water, food, and wated is called _______________

cell wall

Plant cells have a _______, a rigid structure that serves as an outer covering.


A green structure called a ________ uses the energy from the Sun to produce food for the plant.


what is needed to view cells?


In the 1940s, ______ microscopes were created that were 40,000 times more powerful than previous microscopes.


All living things are made of ________.


Living things carry out __________basic life functions.


Living things must be able to _____ or make more of their own kind.


Organisms can react or ____________ to their environment.


A group of similar cells called a ______ work together to do the same job in an organism.


Different kinds of tissues can perform different _____ in an organism.


The flesh of fruits is an example of tissue that can be found in many ____.


Different tissues working together form a ______.

organ system

When different organs work togther they form a ____ ___.

root system

The roots are the main organ in the ___ ____ of plants.

stems and leaves

What makes up the shoot system in plants.


In the salamander, the organ system that breaks down food for the energy is the ______ system.

bones, muscles, and brain

What are the parts of the organ systsems that control movement and responses?


The ____ is the part of the circulatory system which transports blood and other materials

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions and try again


Reload the page to try again!


Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

Voice Recording