Consider the following animals:1.Hedgehog2.marmot3.Pangolin to reduce the chance of being captured by predators,which of the above organisms rolls up/roll up and protects/protect its/their vulnerable parts?

1. A

   1 and 2

   1 and 2. Marmots freeze or bolt to burrows; they are not the roll-up pair.

2. B

   2 only

   2 only. Marmot is the miss.

3. C

   3 only

   3 only. Hedgehog also rolls.

4. D

   1 and 3

   1 and 3. Hedgehog and pangolin curl to hide the soft underside. Marmot does not.

Summary. Official key is (d) 1 and 3. Hedgehogs and pangolins roll into a ball. Marmots rely on burrows, not a defensive roll.