Answer:
Variability was seen as imperfection, so natural selection could only eliminate the inferior and imperfect, not giving rise to new things, new species.
:
Quarantine is the modern strategy which could have assisted with the treatment of this communicable disease.
<h3>What is Quarantine?</h3>
This refers to the process in which animals, people etc are restricted from movement to other areas.
This strategy helps to tackle the spread of diseases to other parts of the world. This strategy wasn't employed which was why millions of birds were affected worldwide.
Read more about Quarantine here brainly.com/question/18945988
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<span>The horizontal line present across the front teeth are called perikymata. These are incremental growth lines that appear on the surface of tooth enamel as a series of linear grooves. These lines can be used to assess how long the crown of the teeth formed. </span>
Answer:
The special cells of the sponge include those that filter sea water; cells that are phagocytic (that engulf and digest food particles); those that form the external 'skin', breathing pores and tubes through which water enters and leaves the body; and those that secrete the mineral and organic skeletons, called spicules and fibres, respectively. Sponges are also unique because nearly all their cells can change function as required (totipotency).
Explanation:
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