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B1 independent study
task.
5
Settler:
1) What is the difference
between a vertebrate and an
invertebrate?
2) What is the scientific
phylum name given to
vertebrates?
Challenge: Give at least 3
examples of each.
Choose your own tasks 
Answer all the questions and then get a lead learner
near you to check your answers with red pen.
B1.1a – Classification
B1.1b – Variation and genetics
B1.2a – Homeostasis
B1.2b – Plant hormones
B1.3a – Drugs and disease
B1.3b – Interdependence
B1.1a – Classification
3) Describe what the
binomial system is. Use
Panthera Tigris as an
example.
1) List the classification
hierarchy
2) Name the 5 kingdoms and
give 2 key features of each.
4) Describe the key
similarities and
differences between a
shark and a brown bear.
5) Explain why viruses are
not classified into the
kingdoms?
6) Describe how scientist
classify vertebrates into
groups
7) Define the words:
•Species
•Hybrid
• Ring species
8) Describe what
speciation is and explain
how it might occur.
9) Explain how bacteria
and Pompeii worms survive
in hydrothermal vents?
B1.1b – Variation
and genetics
1) Describe the
difference between
continuous and
discontinuous variation.
(Give 2 examples of each)
2) How do scientists
validate new evidence?
4) Define the terms:
•Gene
•Allele
•Phenotype
•Genotype
5) What is the difference
between the terms:
•Homozygous recessive
•Homozygous dominant
• Heterozygous
6) What is the genotype
of someone who has two
dominant alleles?
7) What is the genotype
of someone who has one
dominant allele and one
recessive allele?
8)Describe what sickle cell
disease is.
9) Describe the symptoms
of cystic fibrosis.
3) Describe what
chromosomes are, where
they are found and the
number that we have.
B1.2a – Homeostasis
1) Describe what
homeostasis and negative
feedback are.
4) Describe how a reflex
arc works.
What is the CNS made up
of?
7) Explain how blood
glucose is regulated when
it is too high/ too low.
2) Define:
•Osmoregulation
•Thermoregulation
•Glucoregulation
3) Describe the
difference between
vasodilation and
vasoconstriction.
5) Explain how body
temperature is regulated
when you are too hot/ too
cold.
6) Describe the
difference between type 1
and type 2 diabetes.
8) How is type 2 diabetes
treated?
9) Describe a link between
obesity and type 2
diabetes.
B1.2b – Plant hormones
1) Define positive and
negative :
Gravitropism
Phototropism
Hydrotropism
4) Describe why ethylene
is used by supermarkets.
7) Which tropism
describes plant roots
moving towards water?
2) Describe how auxin
makes plants bend towards
sunlight.
3) Where is auxin made
and why is it used in
rooting powders?
5) Describe how seedless
fruit is produced.
6) Why are seedless fruit
advantageous for
supermarkets?
8) Explain how selective weed
killers work.
9) Which type of tropism is
shown by plant shoots moving
upwards out of the soil?
B1.3a – Drugs and
disease
1)
Describe what the following
drugs do with examples:
•
Depressants
•
Stimulants
•
Hallucinogens
•
Painkillers
2) Describe what a drug is.
3) Describe the harmful
effects of nicotine, tar
and carbon monoxide
which are all found in
tobacco smoke.
4) Describe the short and
long term effects of
alcohol.
5) Describe the issues
involved with organ
transplantation?
6) List the 4 types of
pathogen.
7) Describe the different
ways that diseases can be
transmitted.
8) Explain how antibiotics
work and how antiseptics work
9) Explain how antibiotic
resistance occurs.
B1.3b – Interdependence
1)
Draw a food chain
showing cows eating
grass and lions eating
the cows. Use the words
herbivore, carnivore and
producer in your answer.
4) Describe how fertiliser
use can harm water life.
7) Describe some non
living indicators that can
also be used to check
whether an area is
polluted or not.
2)Describe the difference
between parasitic and
mutualistic relationships
with at least 2 examples of
each.
3) Explain how a larger
human population would
effect the environment
more.
5) Describe how
unpolluted/ polluted water
can be found by looking at
certain indicator species.
6) Describe how
unpolluted/ polluted air
can be found by looking at
certain indicator species.
8) Draw a diagram to show
the carbon cycle and
explain it.
9) Draw a diagram to show
the nitrogen cycle and
explain it.
Review
• Did going through
this type of task
help you?
• How?