Intermediate quiz, ch. 12-18

Exercises 1-2

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Answer all the questions in this module and save your answers!

1. Which of the following statements are correct? A correct answer gives+1p, a wrong answer takes away -1p.a) The perch living in a lake all belong to the same population.
b) The biosphere is a term that means the part of our planet that is capable of sustaining life.
c) An ecosystem comprises of the plants and animals of a certain area.
d) No decomposers live in a lake.
e) The pike is often a 3rd degree producer.

f) Oligotrophic lakes have less nutrients than eutrophic lakes.
g) Open bogs are characterized by the presence of pine trees.
h) The most common tree in a dry taiga forest is pine.
i) Pine swamps are forests.
j) Nitrogen is an important plant nutrient.
k) The high salt concentration of the Baltic Sea prevents the growth of cyanobacteria.

l) The common eider is a large duck species that nests in the Baltic Sa.
m) Dinosaurs roamed the Earth a couple of million years ago.
n) Eutrophication increases the amount of plants in a lake.
o) The Saimaa ringed seal is a species that moves to inland lakes through rivers.
Maximum: 15p

2. Choose the correct statement.
a) First degree consumers are predators.
a) First degree consumers are herbivores.


b) Water in the southern parts of the Baltic Sea has more salt than water on the Finnish coastline.
b) Water in the southern parts of the Baltic Sea has less salt than water on the Finnish coastline.


c) The soil in a wet taiga forest has more nutrients than the soil of a dry taiga forest.
c) The soil in a wet taiga forest has less nutrients than the soil of a dry taiga forest.


d) Cranberries grow in broad-leaf forests.
d) Anemones grow in broad-leaf forests.


e) The eel is an endangered fish species.
e) The eel is an endangered snake species.


f) The remains of an ancient organism are called a fossil.
f) The remains of an ancient organism are called an evolution.

Maximum: 6p. Total maximum: 21 p.

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