Fill the gaps on classification

Exercise and reference answers

Missing parts

1. Answer

   five

   Choices

   1. five
   2. three
   3. seven

2. Answer

   chitin

   Choices

   1. chitin
   2. cellulose
   3. cutin

3. Answer

   alga

   Choices

   1. alga
   2. ant
   3. aphid

4. Answer

   coat

   Choices

   1. coat
   2. core
   3. cage

Complete the statement

Whittaker set up a {0} kingdom scheme. Fungal walls hold {1}. A lichen pairs a fungus with an {2}. A viroid is free RNA with no protein {3}.

Instructions

Tap a word to drop it into the empty slot.

Explanation