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Worksheet 1
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Name and surnames: ..............................................................................................................................................................................................................................................
Year: ................................................................................................................................................... Date: ................................................................................................
1. Identify and write down the cell type in each picture and name the numbered organelles:
1.
2.
3.
5.
4.
6.
2. Identify and write down the eukaryotic cell type in each picture and write the name of
the marked organelles:
2.
6.
7.
6.
8.
5.
4.
1.
3.
5.
4.
2.
1.
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FOSTERING INCLUSION AND DIVERSITY
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3. Look at the pictures and complete the table.
PICTURE
Type of reproduction
No. of daughter cells created
What the daughter
cells are like
Organisms produced
4. Complete the following table and write down which kingdom each of the listed organisms
belongs to.
ORGANISMS
KINGDOM
Sperm whale
Cork oak
Crayfish
Rosebush
Starfish
Mushroom
Pine tree
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Iberian lynx
Holm oak
5. The scientific name of the tomato plant is Solanum Lycopersicum.
a) Is the scientific name of the tomato plant written correctly?
If it is not, write it correctly. ...................................................................................................................................................................................
b) Name the genus of the tomato plant. ...................................................................................................................................................
c) Write down the species of the tomato plant. ...............................................................................................................................
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6. Match the elements in the three columns with an arrow.
Mosses
Unicellular prokaryotes
Angiosperm
Unicellular eukaryotes
Arthropod
Monera
Protoctista
Multicellular with
no tissues
Yeast
Multicellular with tissues
but with no organs
Mammal
Fungi
Amphibian
Multicellular with organs
but with no systems
Multicellular with
systems
Plantae
Bacteria
Animalia
Sponge
Algae
7. Why is a fungus different to a plant in terms of cellular organisation?
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8. Complete the following table:
ACCORDING TO THE
NUMBER OF CELLS
MADE UP OF
Unicellular organisms
Several cells
LEVELS OF ORGANISATION
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Worksheet 2
Name and surnames: ..............................................................................................................................................................................................................................................
Year: ................................................................................................................................................... Date: ................................................................................................
Cell theory
A. van Leeuwenhoek
With the aid of a simple
microscope he made
himself, he discovered tiny
living beings in puddles and
called them animalcules.
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18
18
37
18
31
16
73
65
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R. Hooke
He was the first to use an optic
microscope formed by various lenses.
When observing a sheet of cork, he
discovered miniscule little cells which
he called cella (cells in Latin).
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M. Schleiden y T. Schwann
Schleiden concluded that all vegetable
tissue was formed by cells. The
following year, Schwann extended
this conclusion to animals and
proposed that the cell is the basic
unit of all living beings.
J.E. Purkinje
He discovered the intracellular medium
which he called protoplasm and which
today we know as cytoplasm.
R. Brown
He discovered
the nucleus by
studying vegetable
cells.
R. Virchow
He coined the phrase:
‘All cells come from other,
pre-existing cells’.
1. Look at the timeline and in a table, summarise the contributions made by Matthias
Schleiden, Theodor Schwann and Rudolf Virchow to our knowledge of cells.
YEAR
CONTRIBUTIONS
2. Explain the role J. E. Purkinje and R. Brown played in establishing cell theory.
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3. Explain how the invention of the microscope helped to establish cell theory.
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Interaction function in cells
4. On the Anaya website, you will find the video ‘Movements in unicellular organisms’.
Watch it and identify the type of cellular movement that can be seen in the following
pictures.
1.
2.
5. ­­What terms do the following definitions correspond to?
Many short filaments which,
when they move, cause the cell
to move.
An extension of the cytoplasm
used for movement.
Long filaments that the cell moves like
a whip in order to move.
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Answers
7. Fungi are multicellular with no tissues, while
Unit 1
plants are multicellular with organs but with no
Worksheet 1 (R)
systems.
1. Prokaryotic cell. 1 Plasma membrane. 2 Genetic
8.
material. 3 Cytoplasm. 4 Cell wall. 5 Ribosome.
6 Flagellum.
2. E ukaryotic
animal
2 Mitochondrion.
cell.
3
1
Plasma
PICTURE
4.
LEVELS OF
ORGANISATION
Unicellular organisms
One cell
Unicellular and colonies
With no tissues
membrane.
Multicellular
organisms
Picture 1
Picture 2
Picture 3
Binary fission
Budding
Multiple
fission
Multiple
fission
Two
Two
Many
Many
They are the
same size
One is bigger
than the other
They are
identical
They are
identical
Yeast
Some
protozoa
Some
protozoa
Bacteria
MADE
UP OF
Nucleus.
4 Cytoplasm. 5 Centriole. 6 Ribosome.
3.
ACCORDING TO
THE NUMBER
OF CELLS
ORGANISMS
KINGDOM
Sperm whale
Animalia
Cork oak
Plantae
Several
cells
With tissues but with no organs
With organs but with no systems
With systems
Worksheet 2 (E)
1. i
YEAR
CONTRIBUTIONS
1839
M. Schleiden concluded that all plant
tissues were formed by cells.
1839
T. Schwann widened Schleiden’s conclusion
to animals and proposed that cells are
the elementary unit of living beings.
1855
R. Virchow stated that ‘All cells arise
only from pre-existing cells’.
Crayfish
Animalia
Rosebush
Plantae
Starfish
Animalia
Mushroom
Fungi
Pine tree
Plantae
Iberian lynx
Animalia
3. It enabled microscopic samples to be observed,
Holm oak
Plantae
as well as enabling cells and cellular organelles
2. They demonstrated the existence of the
nucleus and the cytoplasm, which facilitated
advancements in the knowledge of the cell as an
anatomical or structural unit.
to be seen, which proved they existed.
5. a) The scientific name must be written in
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italics and the second word must be lower
case. b) Genus: Solanum. c) Species: Solanum
lycopersicum.
4. 1. Amoeboid movement. 2 Cilium movement. 3
Flagellum movement.
5. Cilium; Pseudopods; Flagellum.
6. Unicellular prokaryotes - Bacteria - Monera.
Unicellular eukaryotes - Yeast - Fungi.
Multicellular with no tissues - Algae - Protoctista.
Multicellular with no tissues - Sponge - Animalia.
Multicellular with tissues but without organs Moss - Plantae.
Multicellular with organs but without systems Angiosperm - Plantae.
Multicellular with systems - Arthropod, mammal,
amphibian - Animalia.
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