Marshfields School
Science Department
Homework Booklet
Year 8
Disease
Ecosystems
Name:
__________________
Teacher: __________________
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Find these words in the word search:
ANTIBIOTIC
ANTIBODY
BACTERIA
BLOOD
CELL
FUNGI
IMMUNE
IMMUNISATION
INFECTION
INOCULATION
MICRO-ORGANISM
MICROSCOPIC
PATHOGEN
PENICILLIN
PLACENTA
RESPIRATION
VACCINATION
VACCINE
VIRUS
WHITE
YEAST
1. ______________ blood cells fight diseases in the body.
2. Bacteria and viruses are ______________-organisms.
3. Colds, ’flu and measles are diseases caused by microbes called
_____________.
4. Yeast is an example of the microbe group called ______________.
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Look at this picture:
List 3 things that might spread disease: __________________________
__________________________________________________________
__________________________________________________________
__________________________________________________________
2
Food & Digestion
3
Ecosystems
Find the keywords in this word search:
S E C O N D A R Y Y H N K B U O Z G E C O E C L Z
I
N V E R T E B R A T E O Y E R P R M O R T H R C
C B J
Z U E J Z C M F R R
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L W O Y A N E A A
X M P P U E S U S Y G T U B T V R N G S C R
E Y N F F F R O T A D E R P
H A B
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Y
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A G T F U U B N F W
T A T L N B A B Q N M V L O N M D E V T M
T N E M N O R
I
V N E R R
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H S O U B E O T
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Y L
T S O Q K C S O K E B A R A D D Z R P R R R Z S Y
V R W Z Q M T P F W C P R O G G X M E O P E N R F
Q W N H Z M V E F F Q Y
I
T W J W P
I
A P V C L G
ARROW
CARNIVORE
CHAIN
CONSUMER
ENVIRONMENT
FOOD
HABITAT
HERBIVORE
INVERTEBRATE
ORGANISM
POPULATION
PREDATOR
PREY
PRIMARY
PRODUCER
SECONDARY
VERTEBRATE
WEB
The is a food web for a habitat:
Name:
A
A producer _____________________________
B
A primary consumer ______________________
C
A secondary consumer ____________________
What would happen to the number of SNAILS if all the BEETLES suddenly died
out? Explain your answer. ____________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
Revision
You might need to ask for help or search the internet for these answers:
What did Alexander Fleming discover?
The graph shows how the population
of algae changes of a year.
When would the SNAIL population
be the greatest? ________________
When do you think Oystercatchers
will lay their eggs? Why? _________
______________________________
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