What is the lifespan of a flatworm?

What is the lifespan of a flatworm? 65-140 days Are flatworms harmful to humans? Not only are they an invasive species that can cause real environmental damage, but they also are known to carry a parasite called rat lungworm that can cause a form of meningitis in humans. Besides that, this flatworm produces toxic secretions […]

What do seals do all day?

What do seals do all day? During the molting period the seals will haul out for up to 12 hours a day. Their metabolism slows down so they don’t need to eat as much. During the rest of the year, harbor seals usually haul out around 7 hours each day. What does seals like to […]

When was the first case of hypothyroidism?

When was the first case of hypothyroidism? In 1850, the first case of hypothyroidism or myxedema was described. Less than 50 years later, effective treatment was introduced. Another 50 years later, autoimmune thyroiditis was ascertained as the most frequent cause of hypothyroidism (in areas with no iodine deficiency). When was thyroid disease first discovered? The […]

How does genetic drift contribute to evolution?

How does genetic drift contribute to evolution? Eventually, genetic drift can cause a subpopulation to become genetically distinct from its original population. Indeed, over a long period of time, genetic drift and the accumulation of other genetic changes can result in speciation, which is the evolution of a new species. Does genetic drift demonstrate evolution? […]

How many segments do grasshoppers have?

How many segments do grasshoppers have? three What are the 3 main segments of an insect? All adult insects have three body parts: head, thorax and abdomen. The wings and legs are always attached to the thorax. (Spiders, which are not insects, have two body parts: head and abdomen.) Insects always have six legs. Why […]

What do you do in an acting audition?

What do you do in an acting audition? 10 Audition Tips for Actors. (Updated 2020) Always bring a picture and resume. Haven’t memorized the material? Don’t make excuses. If I ask you to make a choice, make one. Make your first 15 seconds count. Be the 3 Cs. Don’t take the last audition times of […]

What happens during fumble?

What happens during fumble? If a ball is fumbled in the field of play, goes forward into the opponent’s end zone, and then goes over the end line or sideline, a touchback is awarded to the defensive team. If the opponent forced the ball into the end zone, it is a touchback. What is the […]

Begin typing your search term above and press enter to search. Press ESC to cancel.

Back To Top