Do pike have any predators?

Do pike have any predators? Northern pike are top predators in the systems they inhabit. However, the eggs, fry, and young of northern pike may be eaten by other predatory fish, aquatic birds, otters, or by the larvae of aquatic insects. Do pike eat catfish? Pike’s diet consists of some species of fish, including the […]

When was encephalitis virus discovered?

When was encephalitis virus discovered? The participants of the first Far-Eastern expedition who discovered the tick-borne encephalitis virus in 1937. Where did encephalitis come from? The exact cause of encephalitis is often unknown. But when a cause is known, the most common is a viral infection. Bacterial infections and noninfectious inflammatory conditions also can cause […]

How do different variations happen?

How do different variations happen? Mutations, the changes in the sequences of genes in DNA, are one source of genetic variation. Another source is gene flow, or the movement of genes between different groups of organisms. Finally, genetic variation can be a result of sexual reproduction, which leads to the creation of new combinations of […]

What products are transported by train?

What products are transported by train? Railroads also carry enormous amounts of corn, wheat, soybeans, and other grains; fertilizers, plastic resins, and a vast array of other chemicals; cement, sand, and crushed stone to build our highways; lumber and drywall to build our homes; autos and auto parts; animal feed, canned goods, corn syrup, flour, […]

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