THE CELL - SEVENTH GRADE


ENGLISH - BIOLOGY HOMEWORK

Must:. Know the key features of animal cells and plant 
cells.
1) Research the scientific definition of cells and write a paragraph 
to introduce what cells are, and provide a basic overview of their 
functions.
 2)  Create a 3D model representation of a plant or 
animal cell.
Select the type of cell you plan to model. Then make a brief list 
of the organelles (mini organs) present in your cell. Research the 
appearance of each of these ‘mini organs’.try to include the 
following key words so that you cover all of the key features of 
the cells: cell membrane, cytoplasm, nucleus, chloroplasts, vacuole, 
cell wall.  (The best ones will go on display)
 3) Complete the Venn diagram to illustrate the features that are 
shared by both plant and animal cells, and those that are individual 
to plant cells only.
 Should:  Understand the functions of various parts of 
cells.
 4) Summarise the functions of key cell features. The best way to 
do this is to create a summary table.

Attached is a basic facts sheet to enable you to complete most of 
the core task.
Furthermore, a list of excellent cell related websites is given 
below:
Biology 4 Kids -
Enchanted Learning -
http://www.enchantedlearning.com/subjects/plants/cell/
BBC Bitesize (Cells to systems) -
http://www.bbc.co.uk/schools/ks3bitesize/science/organisms_b
ehaviour_health/cells_systems/revise1.shtml



THE FOLLOWING INFORMATION HAS BEEN TAKEN FROM WWW.BIOLOGY4KIDS.COM

IF YOU WANT TO LEARN MORE ABOUT THE CELL VISIT THIS LINK:

http://www.biology4kids.com/files/cell_main.html

Cells are the Starting Point

Structure of generic animal cellAll living organisms on Earth are divided in pieces called cells. There are smaller pieces to cells that include proteins andorganelles. There are also larger pieces called tissues andsystems. Cells are small compartments that hold all of the biological equipment necessary to keep an organism alive and successful on Earth. 

A main purpose of a cell is to organize. Cells hold a variety of pieces and each cell has a different set of functions. It is easier for an organism to grow and survive when cells are present. If you were only made of one cell, you would only be able to grow to a certain size. You don't find single cells that are as large as a cow. Also, if you were only one cell you couldn't have a nervous system, no muscles for movement, and using the internet would be out of the question. The trillions of cells in your body make your life possible. 

One Name, Many Types


Animal and plant cells

There are many types of cells. In biology class, you will usually work with plant-likecells and animal-like cells. We say animal-like because an animal type of cell could be anything from a tiny microorganism to a nerve cell in your brain. Plant cells are easier to identify because they have a protective structure called a cell wall made of cellulose. Plants have the wall; animals do not. Plants also have organelles like the chloroplast(the things that make them green) or large water-filled vacuoles. 

Different types of animal cells

We said that there are many types of cells. Cells are unique to each type of organism.Humans may have hundreds of types of cells. Some cells are used to carry oxygen (O2) through the blood (red blood cells) and others might be specific to the heart. If you look at very simple organisms, you will discover cells that have no defined nucleus (prokaryotes) and other cells that have hundreds of nuclei (multinucleated). The thing they all have in common is that they are compartments surrounded by some type ofmembrane. 

Take Quiz on Cells

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