How are echinoderms different from and similar to other invertebrates? Although these spines may look like components of an exoskeleton at first glance, echinoderms do not have an exoskeleton. As mentioned earlier, echinoderm species, such as those shown in Figure below, look very different from most other invertebrates. This is partly due to their symmetry […]
Are zebra sharks dangerous?
Are zebra sharks dangerous? Docile and slow-moving, zebra sharks are not dangerous to humans and can be easily approached underwater. However, they have bitten divers who pull on their tails or attempt to ride them. As of 2008 there is one record of an unprovoked attack in the International Shark Attack File, though no injuries […]
Why does garage door opener light stay on?
Why does garage door opener light stay on? The opener’s light may be staying on because the light feature has been activated. The light feature was designed to turn on automatically so you never have to enter a dark garage. This feature is triggered when you interrupt the signal between the photo eye sensors when […]
What is Dehydroacetic acid used for?
What is Dehydroacetic acid used for? While the name may sound a little foreboding, Dehydroacetic Acid is a non-toxic ingredient we use to keep our little pots of precious creams from spoiling. It is used widely in cosmetics and food as a fungicide and bactericide whose primary function is to prevent the growth of microorganisms. […]
How do you check the transmission fluid in a 2000 Pontiac Grand Am?
How long do jellyfish sting symptoms last?
How long do jellyfish sting symptoms last? Jellyfish stings cause immediate, intense pain and burning that can last for several hours. Raised, red welts develop along the site of the sting, which may look like you have been hit with a whip. The welts may last for 1 to 2 weeks, and itchy skin rashes […]
Why did the United States intervene in Guatemala and the United Fruit Company?
Why did the United States intervene in Guatemala and the United Fruit Company? United Fruit felt that Arbenz was challenging it politically and financially. The company began a massive anti-communist propaganda effort against Guatemala in the U.S. press. On June 17, 1954, with the support of the U.S. government and the CIA, Armas launched an […]
What are the ways of preventing second hand smoking?
What are the ways of preventing second hand smoking? How to avoid secondhand smoke If you smoke, quit. There are many resources to help you. Do not smoke or allow people to smoke in your house or car. Ask people who smoke to step outside. Find smoke-free restaurants, hotels, and rental cars. Ask caregivers and […]
Why is Edmond locard considered the father of forensics?
Why is Edmond locard considered the father of forensics? Locard is considered as a father of modern forensic science and criminology. Locard created the first crime investigation laboratory in 1910 where he could analyze evidence from crime scenes. He developed several methods of forensic analysis that are still in use and also contributed much to […]
Is palsy a disability?
Is palsy a disability? Cerebral palsy (CP) is a group of disorders that affect a person’s ability to move and maintain balance and posture. CP is the most common motor disability in childhood. Cerebral means having to do with the brain. Palsy means weakness or problems with using the muscles. Do paralyzed people get disability […]