Answer: C. The species is classified in a clade that does not include all protists.
The Kingdom Protists involves organisms which are simple in structure and functions. Some of these organisms have characteristics common to both plants and animals. A clade represents a group of organisms that have all characteristics common to their ancestor. The example of algea given here, has characteristics which are found mainly in plants belongs to Kingdom Plantea. Therefore, the clade of these Protists can be related with those of plants but cannot be related to Protists which exhibit animal like characteristics.
Therefore, species is classified in a clade that does not include all Protists.
The solid waste produced by a sewage-treatment plant is called Sludge
Answer: Option C
<u>Explanation:</u>
Sludge is a semi-strong slurry which is created as end product of mechanical procedures such as from water treatment, wastewater treatment or on location sanitation frameworks. For instance, it may be delivered as a settled suspension acquired from customary drinking water treatment, as sewage muck from wastewater treatment forms or as fecal slime from pit toilets and septic tanks. The term is additionally here and there utilized as a conventional term for solids isolated from suspension in a fluid.
The stronger survived and the weaker passed on... Those with a weaker immune system had trouble with sickness and usually ended up passing on but those with strong immune systems were stronger and healthier and lived.
