In 1673 ____ used a handmade microscope to observe scrapings from his teeth & discovered single-celled organisms.

In 1838 a German Botanist, _________, concluded that all plants are made of cells.

In 1839 a German physiologist, __, stated that all animals are composed of cells.

In 1858 ______, German physician concluded that cells must arise from preexisting cells.

Cell theory states which of the following:

Layer that protect the cell and controls what goes in and out of the cell

Controls the functions inside the cell. Also known as the brain of cell.

Jelly like material that cushions & protects organelles.

Organelle that creates energy for the cell.

Green organelle, site of photosynthesis.

Organelle that serves as storage of food and water.

The levels of organization of living things are arranged from:

Basic unit of structure and function in an organism.

A group of cells that work together to perform a function.

Two or more tissues working together to perform a function.

Organs that work together to perform a task.

A living thing.

The first cells ever seen were described as ___________.

Leeuwenhoek called the single-celled organisms that he saw ___________.

Cell theory states which of the following:

Cell theory states which of the following:

All organisms are made of cells.

Atoms do the jobs that keep organisms alive.

Cells are like tiny building blocks.

The levels of organization of living things applies to:

The following is the second in the levels of organization diagram

The following is the third in the levels of organization diagram

The following is the first in the levels of organization diagram

The following is the fifth in the levels of organization diagram

The following is the fourth in the levels of organization diagram

______ do the jobs that keep organisms alive.

This organelle is only found in the plant cell.

This organelle is unique to the plant cell.

Plant cells have a very large ___________.

The largest organ in the human body is _____.

The seed of a plant is an example of_____.

Leaves are example of the plants ______.

What level of organization describes a layer of cells in the root of a plant?

This structure is found in all types of cells.