Pergunta

3) __ from the water for food. Barnacles often attach themselves using a type of natura glue microscopic organisms to larger animals such as whales and sea turtles, which inadvertently carry the barnacles to new sources of food when they move Their "glue" is harmless __
Solução

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Gabriela MariaProfissional · Tutor por 6 anos
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'to, microscopic organisms'
Explicação
## Step 1<br />The problem is a fill-in-the-blank type question, which requires us to understand the context and fill in the blanks with appropriate words. The context of the problem is about barnacles, which are a type of crustacean.<br /><br />## Step 2<br />The first blank in the sentence "Barnacles often attach themselves using a type of natural glue microscopic organisms to larger animals such as whales and sea turtles, which inadvertently carry the barnacles" is referring to the method barnacles use to attach themselves to larger animals. The word that fits best in this context is "to", which makes the sentence read: "Barnacles often attach themselves using a type of natural glue to larger animals such as whales and sea turtles, which inadvertently carry the barnacles".<br /><br />## Step 3<br />The second blank in the sentence "Their "glue" is harmless microscopic organisms to new sources of food when they move" is referring to what the barnacles' "glue" is made of. The word that fits best in this context is "microscopic organisms", which makes the sentence read: "Their "glue" is harmless microscopic organisms to new sources of food when they move".
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