Question

Which of the following is an incorrect statement?
a) Bioluminescence is also shown by an insect.

b) The open digestive system is more advanced than the closed digestive system

c) Forelimbs are modified for flight in Bats.

d) There is a common opening for both digestive system and excretory system in Aves.​

Answer 1

Answer:

c is the correct answer explained

Answer 2

Incorrect statement

Explanation:

• Statement (a) is true because fireflies produce a chemical reaction inside their bodies that lights them up to show the property of bioluminescence.
• Statement (b) is correct, the open digestive system contains mouth and anus at the opposite ends, whereas closed digestive system is where one opening act as entrance and exit both.
• Statement (c ) is correct, bat wings are modified forelimbs, bats are mammals so the skeletal structures in their wings are homologous to tetrapod forelimbs.
• Statement (d) is incorrect , birds digestive system consist of  bill, mouth, tongue, pharynx, oesophagus, crop, gizzard, small intestine, caeca, rectum, cloaca.