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 _________.
Scientists estimate that there are _______ kinds of unicellular organisms
Both plant and animal cells perform life processes by using __________.
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 _______________
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 ______.
When different organs work togther they form a ____ ___.
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