The orca, or killer whale, for example, is actually the largest member of the dolphin family. Dolphins are by far more prevalent than porpoises. Most scientists agree that there are 32 dolphin species (plus five closely related species of river dolphin) and only six porpoise species.
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I am quite sure this is a true/false question
This statement is false.
Yes, the cilia and mucus in the trachea does sweep upward, however, it moves the mucus towards the pharynx where it is swallowed not towards the nose where it is sneezed out.
The difference between an amniotic egg and eggs laid by other animals is : Absence of Membrane ( amnion ) and absence of larval stage
<h3>Characteristics of an amniotic egg</h3>
Eggs laid by amniotes are different from other eggs laid by fishes, amphibians and invertebrates in that they lack a membrane and a larval stage. the shell of the amniotic egg protects the embryo in the absence of a membrane. The shell also allows for the exchange of oxygen and carbon dioxide between the the embryo and the environment.
Hence we can conclude that The difference between an amniotic egg and eggs laid by other animals is : Absence of Membrane ( amnion ) and absence of larval stage
Learn more about amniotes : brainly.com/question/19158601
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Chewing bread, tearing paper, breaking rocks
A. competitive exclusion.
Parasitism, Commensalism, and Mutualism are all types of symbiotic relationships.
