Answer:
E. Both the assertion and the reason are incorrect.
Explanation:
Coral reefs are found in the tropical water which is poor in nutrients. The species of coral that form the reefs have symbiotic zooxanthellae in their tissues that can carry out the process of photosynthesis. The coral reefs obtain their food from their symbiont and hence, can survive in the water that lacks enough supply of nutrients.
Coral reefs also use their stinging tentacles and capture the small animals to feed on them. However, the food derived from symbiont zooxanthellae is the major source of nutrients for them.
Answer:
Explanation:
The genotypes of the parents are Tt and tt
Answer:
Accommodation is the process of changing the shape of the lens to focus on near or distant objects.
To focus on a near object – the lens becomes thicker, this allows the light rays to refract (bend) more strongly.
To focus on a distant object – the lens is pulled thin, this allows the light rays to refract slightly.
Equal to the rotation period