The primary function of a radula is to aid in feeding.
Answer:
Antiparallel: A term applied to two molecules that are side by side but run in opposite directions. The two strands of DNA are antiparallel. The head of one strand is always laid against the tail of the other strand of DNA
Answer:
DNA helical is the double strand of the DNA wraped around each other
Explanation:
DNA helical is composed of the two strand of the DNA wraped around each other just like a helical
DNA helical or double strand is mad up of two strands bind with each other via nitrogenous bases( adenine ,thymine ,guanine)
firstly this structure was described by the Watson Crick model of the DNA
A pyramid of biomass represents the amount of living tissue within a tropic area (Option a).
<h3>What is biomass?</h3>
Biomass refers to the amount of mass instead of energy contian in a given ecosystem/tropic level.
Biomass is mainly dependent on the number of producer organisms (e.g., plants) in the ecosystem.
In conclusion, a pyramid of biomass is the living tissue within a tropic area (Option a).
Learn more about biomass here:
brainly.com/question/25876556
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