How big is an ammonite?

How big is an ammonite? Ammonites have a wide range of size. Specimens have been found ranging from less than a centimeter to 2 meters in diameter. Early ammonites, until the middle Jurassic, were smaller, usually less than 9 inches or 23 centimeters. During the upper Jurassic and lower Cretaceous larger varieties can be found. […]

What do you mean semester?

What do you mean semester? Definition of semester 1 : either of the two usually 18-week periods of instruction into which an academic year is often divided. 2 : a period of six months. Other Words from semester Example Sentences Learn More About semester. What is the meaning of 2nd semester? n. 1 (Chiefly U.S. […]

Is panther and Jaguar the same?

Is panther and Jaguar the same? Comparing Panther vs Jaguar Panthers and jaguars are often mistaken for each other as panther is sometimes used to describe a jaguar. In fact, jaguars are Panthera onca, while panther is either a melanistic jaguar or melanistic leopard (Panthera pardus). What is the difference between panther jaguar and leopard? […]

What is holometabolous development?

What is holometabolous development? Holometabolism, also called complete metamorphosis, is a form of insect development which includes four life stages: egg, larva, pupa, and imago (or adult). In some species the holometabolous life cycle prevents larvae from competing with adults because they inhabit different ecological niches. What are the 5 stages of insect development? Each […]

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