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B7: Quiz 4
B7: Quiz 4
1) We have the food web below.
a) Who is the producer in the food web?
b) Who are the three primary consumers?
c) Which consumer is both a secondary consumer and a tertiary consumer?
d) Write down 2 different food chains from the food web.
e) There is a disease that causes the population of rabbits to decrease. What effect will this have on the populations of all of the other organisms in the food web.
2) We have the food chain below.
b) Who are the three primary consumers?
c) Which consumer is both a secondary consumer and a tertiary consumer?
d) Write down 2 different food chains from the food web.
e) There is a disease that causes the population of rabbits to decrease. What effect will this have on the populations of all of the other organisms in the food web.
2) We have the food chain below.
a) The lions eat the gazelles.
i) Who is the predator?
ii) Who is the prey?
b) The graph below shows how the populations of gazelles and lions changes over time.
i) Who is the predator?
ii) Who is the prey?
b) The graph below shows how the populations of gazelles and lions changes over time.
i) Describe and explain the population change for lions between 3 and 8 years.
ii) Describe and explain the population change for gazelles between 6 and 12 years.
ii) Describe and explain the population change for gazelles between 6 and 12 years.