Earthworms have photoreceptors present on their skin to sense the light as they do not have __________.
Birds do not have a nose. Do they have lungs?
Bacteria are refered to as prokaryotes because :
(a) They have no chlorophyll
(b) They are unicellular
(c) They are free living
(d) They do not have a true nucleus.
Assertion (A): Earthworms are sensitive to light. Reason (R): It has eyes but still can sense light through light sensitive cells (olfactory - receptors) present in their skin.