Sunlight is required for all cellular organisms on earth, because all organisms are either photosynthetic or dependent on a photosynthetic organism.
a. true
b. false

True

Explanation:

The sunlight is required for the living organism because all the living organism on the earth are either autotrophs or depends on the autotropic organism for their survival.

The green plants perform the process of photosynthesis by trapping sunlight. The other organism depends on the plants for their survival.

Hence, the given statement is true that all the living organism depends directly or indirectly on the sunlight.

the wires in the toaster turning red and the toast crisping and turning brown

answer: accepted answer: aquatic animals use the oxygen dissolved in water to carry out respiration. since the amount of dissolved oxygen in water is low as compared to the amount of oxygen in the air, therefore the rate of breathing in aquatic animals is much faster than it is in terrestrial animals.

explanation: