Answer:
choanoflagellates and sponges are sister groups
Explanation:
The choanoflagellates are small unicellular organisms belonging to the Protista kingdom. These microorganisms are collared flagellates morphologically similar to the choanocyte cells of animal sponges, which have a central flagellum surrounded by a collar of microvilli. In consequence, it has been suggested that choanoflagellates may represent the closest living relatives of primitive metazoans (i.e., they are sister groups to sponges). This hypothesis has recently been supported by both molecular phylogenetic and comparative genomic analyses.
Answer:
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The answer is C. <span> Accessibility to nutrients makes the mouth a favorable habitat.
Hope this helped. Good luck!</span>
<h2>Nutrient density</h2>
Explanation:
- Nutrition is molecules in food that all living beings need to cause vitality, to develop, create, and recreate. Supplements are processed and afterward separated into fundamental parts to be utilized by the creature. There are two fundamental kinds of supplements, macronutrients, and micronutrients. The three fundamental classes of macronutrients incorporate sugar, protein, and fat. The two kinds of micronutrients are nutrients and minerals, and these are additional particles that cells need to make vitality.
- "Nutrient density" signifies the amount you get of a certain something, given the nearness of something different. On account of nutrient density, the "things" you get, the supplements, are dissected in relationship to the amount they "cost" you, regarding calories. Essentially expressed, nutrient density implies what number of supplements you get from nourishment, given the quantity of calories it contains. nutrient density is a simple method to associate supplements with calories. No nourishments are more supplement thick than entire, naturally developed food sources.
