CELL
TISSUE
lunes, 29 de noviembre de 2010
lunes, 8 de noviembre de 2010
TYPES OF ORGANISMS.
An organism is anything that can live on its own.
ORGANISMS:
UNICELLULAR ORGANISM:
One cell.
Example :
Bacteria.
MULTICELLULAR ORGANISM:
Two or more cells.
Example:
Dog, cat, flowers.
UNICELLULAR ORGANISM:
An organism made of one cell.
These organisms are very small
and need to be seen with a microscope.
Example: Bacteria and Unicellular Fungi.
MULTICELLULAR ORGANISM:
An organism made of two or more cells.
These organisms are able to be seen
with a naked eye.
Example: Humans, Birds, Insects.
ORGANISMS:
UNICELLULAR ORGANISM:
One cell.
Example :
Bacteria.
MULTICELLULAR ORGANISM:
Two or more cells.
Example:
Dog, cat, flowers.
UNICELLULAR ORGANISM:
An organism made of one cell.
These organisms are very small
and need to be seen with a microscope.
Example: Bacteria and Unicellular Fungi.
MULTICELLULAR ORGANISM:
An organism made of two or more cells.
These organisms are able to be seen
with a naked eye.
Example: Humans, Birds, Insects.
martes, 2 de noviembre de 2010
ANIMALS AND PLANT CELLS.
There are some similarities and differences in plant cells and animal cells.
Differences:
Animal cells: They not have chloroplast. Plant cells: Only plant cells have chloroplast.
Animal cells dont have cell wall. Plant cells have a cell wall that surrounds and
protect the cell.
Vacuoles are very small. Vacuoles are much bigger in plant cells.Similarities:
Both animal cells and plant cells have:
A cell membrane that holds the cell material inside.
Nucleus, hich is the cells control center.
Cytoplasm, nuclear membrane, ribosomes, lysosomes, golgy complex, E.R, etc...
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