While studying evolution, a student comes across a cladogram that includes clades like amphibia, reptilia, aves, and mammalia. what must be the basal clade? plantae chordata nonchordata

The correct answer is chordata.

Explanation:

The Reptilia, Amphibia, Mammalia, and the Aves all come under the kingdom Animalia, and all are the part of the basal clade Chordata. This signifies that all these species during a certain point of their life exhibited a notochord. A notochord refers to a cartilaginous rod of skeleton that supports the body in all the embryonic and in some of the adult chordate animals.

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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meiosis is the first to occur after the nuclei of opposite of opposite mating types fuse