Answer:
to attract pollinators
Explanation:
The role of structure A is to attract pollinators. Pollinators are the organisms which helps in the pollination of flowers. These organisms gets nectar from the flower. During their contact with flower pollens are attached to their body and when they moves to another flower these pollens falls on the carpel of the flower and as a result pollination occurs that leads to formation of seed.
The electrochemical impulse is composed of an action potential travelling from the dendrite to the cell body to the axon of the neuron. The main neurotransmitter is acetylcholine which is released at either the synapse or the neuromuscular junction.
Their skin is accustomed to the warmth of the water in the shower and so by comparison the tile feels cold. It's like if you went from outside on a cold winter day to inside, you would instantly feel warmer.
The correct answer is option C, that is, viruses.
An infection occurs when a foreign species moves inside the body of an individual and causes harm. The species utilizes the body of that person to reproduce, sustain itself, and colonize. These infectious species are called pathogens. The examples of pathogens are viruses, bacteria, prions, and fungi.
Of the given options, viruses are the smallest infectious agent. The viruses are basic particles, which must infect a host cell to reproduce and develop. Viruses utilize the host cells metabolic machinery to double themselves.