Judge the assertion and the reason

Exercise and reference answers

Questions

1. Reason

   The fig is pollinated only by its partner wasp species and no other.

   Verdict

   Both are true; the reason explains the assertion.

   Assertion

   Both partners gain in mutualism.

2. Reason

   Both parasitism and predation benefit only one of the two species.

   Verdict

   Both are true; the reason does not explain the assertion.

   Assertion

   An orchid on a mango branch is a case of commensalism.

3. Reason

   Camouflage makes the frog easier for a predator to detect.

   Verdict

   The assertion is true and the reason is false.

   Assertion

   Cryptic colouring helps a frog avoid being eaten.

4. Reason

   The competitively inferior species is eliminated eventually.

   Verdict

   The assertion is false and the reason is true.

   Assertion

   Two closely related species competing for the same resources can co-exist forever.

Instructions

Read both statements, then pick the verdict that fits.

Explanation