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INGLÉS TÉCNICOSelf-assessment Week 10 - 19.4

Parasites are organisms that live at the expense of another organism. An example is _____.
Option A a larvae of parasitic wasps
earwigs
hoverflies
a bird
lacewings
Several beneficial micro-organisms can also be used _____ plant health and control pests and diseases.
to worsen
to buy
to cut
Option E to improve
not to improve
Non-selective chemical pesticides products _____, because they kill all kinds of organisms, including harmless and useful species.
get rid of the target pest, disease or weed
are the most harmless
Option A are the most harmful
are used as the natural enemy of pest insects
are the most beneficial
Selective chemical pesticides have a more limited range. They only _________ and other organisms are not affected.
are the most beneficial
are used as the natural enemy of pest insects
are the most harmless
Option A get rid of the target pest, disease or weed
are the most harmful
Predators are organisms that simply prey on other organisms for food. An example is _____.
a cuscuta
Option E a ladybird
a loranthus
a ghost plant
a viscum

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1. Parasites are organisms that live at the expense of another organism. An example is _____. 2. Several beneficial micro-organisms can also be used _____ plant health and control pests and diseases. 3. Non-selective chemical pesticides products _____, because they kill all kinds of organisms, including harmless and useful species. 4. Selective chemical pesticides have a more limited range. They only _________ and other organisms are not affected. 5. Predators are organisms that simply prey on other organisms for food. An example is _____.
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