Download Unit 2 - Mulitcellular Organisims

Give definitions for the following words.
Cell
Colour in the
two locations
where
meristems can
be found.
What are meristems?
Name three
illnesses that can
be treated with
stem cells.
1.
2.
Organ
Match the type of stem cell
to its “potency” and its
“potency” to its definition.
List 2 ethical issues associated with the
use of embryonic stem cells.
Tissue
Cells, Tissues &
Organs/Stem Cells
& Meristems
Stem cell
Potency
Complete the following
passage about stem cells.
System
Defintion
Stem cells are able to _____________ themselves.
ADULT
Pleuripotent
Can differentiate
They are __________________, but can
into many types of
______________ into specialised cells. Stem cells
1.
specialised cell.
are involved in growth and _____________. There
2.
are two types of stem cell: _______________ and
EMBRYONIC
Multipotent
Can differentiate
___________.
Into any type of cell.
Give a description
of the events that
lead to fertilisation
in flowering plants.
Label the diagrams of the
female and male
reproductive systems.
Include the names of
each part and the
function of the part.
Reproduction
2.
Label the diagram of
the flower. Include
the names of each
part and the
function of the part.
Name the diploid cell, formed
as a result of fertilisation.
Name the gametes (sex cells)
below. State the location
where each is made.
Give a description of the term “fertilisation” and the
events that lead to fertilisation in humans.
Gametes are haploid.
Give a description of
the term haploid.
Label this diagram of the brain.
Include the function of each part.
1
List the 3 factors
that may
contribute to the
development of
Type I diabetes.
2
3
Name the organ in
the human body that
produces insulin and
glucagon.
4
TYPE OF BOND:
What hormone controls
the reactions:
Glucose
Glycogen
Glycogen
Name The 2 parts of the
Central Nervous System.
Control and
Communication
Explain why
hormones are
considered to be
“specific”.
List the 3 types
of neurone IN
THE ORDER they
occur in a reflex
arc.
Name the space that
occurs between the end
of one neurone and the
start of the next.
Glucose
Give a definition of the term
“hormone”.
Name the
storage
carbohydrate
found in the
liver.
1
2
3
4State the function of
a reflex action.
TYPE OF BOND:
Leaves
Diagram of the transpiration
stream in a tree. Describe the
movement of water in each
of the three areas of the tree.
Label the
diagram to show
the location of
xylem (red) and
phloem (blue) in
a plant.
Stem
Roots
Transport
Systems in
Plants
Substances
are
transported
in…?
1. PHLOEM -
2. XYLEM -
List 3 factors that
affect transpiration
rate in plants.
Compare xylem and
phloem – consider
function, structure and
direction of transport.
XYLEM
PHLOEM
Diagram of the layers in a leaf.
Colour in the photosynthetic cells
(green). Label the stoma.
Name the
structure, found
in a leaf, through
which water
vapour and
oxygen can exit.
Describe the mechanism by which stoma are opened and
closed. Include times of day.
(location:
____________)
(location:
_____________)
____________
+ HAEMOGLOBIN
_______________
Function of the
circulatory system.
Label the heart - name
each chamber, name the
arteries/ veins that flow
out of/into the heart. Use
coloured pencils to show
the location of
deoxygenated (blue) and
oxygenated (red) blood.
3
Complete the word
equation.
1
2
3
List three features
of a red blood cell
that make it
suitable for
carrying out its
function.led
diagram to show
what happens in
stage 1.
Animal Transport and
Exchange Systems (1 of 2)
Complete the table to show
the names of the 3 types of
blood vessel, their functions
and structural features.
Blood vessel Function
Explain why the
left ventricle
wall of the
heart is thicker
than the right.
Structural features
What substance
is the heart
made from?
Function of a
red blood cell.
Name of the artery
that supplies the
heart with
oxygenated blood.
What is the
function of
valves in the
heart/veins?
The lacteal transports
______________________________________
The capillaries transport
______________________________________
1
2
3
The villus. What
substances are
transported in…?
Function of mucus
and cilia in the
trachea.What
substances are
transported in…?
Animal Transport and
Exchange Systems (2 of 2)
List three
features of a
villus that
make it
suitable for
carrying out
its function.
Label this
diagram of a
villus – show
the lacteal,
blood capillary
and
epithelium.
Diagram of an
alveolus. Label it to
show movement of
oxygen and carbon
dioxide, and location
of oxygenated/
deoxygenated blood.
Describe the mechanism of
peristalsis. You may use a
diagram if you wish.
Name
three
locations
where
peristalsis
occurs.
Function of
rings of
cartilage in
the trachea.
List three features of
an alveolus that
make it an ideal
structure for gas
exchange.
1
2
3
What is variation?
Give a reason why
“expected” and
“actual/observed”
phenotypic ratios may
differ.
What is meant by the
term “true-breeding”?
Two factors that can
affect a characteristic
that shows continuous
variation.
1.
2.
Give a description of
continuous variation – include
at least 3 examples.
Give a description
of discrete
variation – give at
least 3 examples.
What is polygenic
inheritance?
Variation and
Inheritance
Draw a line to match each term to its
correct description.
Term
Description
Allele
individual with two different alleles
Recessive
individual with two identical alleles
Dominant
sex cell
Heterozygous
different forms of a gene
Homozygous
the physical characteristics of an organism
Gamete
stronger allele, represented by a capital letter
Phenotype
the set of genes possessed by an individual
Genotype
weaker allele, represented by a small letter
List three variations
that are controlled by
polygenic inheritance.
1.
2.
3.