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general characteristics of echinoderms

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Question:Which generalization is characteristic of most traditional societies? People move from city to city seeking new jobs. Sons learn the same trades as their fathers. A high degree of social mobility exists. All people have the same economic opportunities. (16)

Answers:like my mom lays all day in her bedroom. She does not work. My brother does the same thing. he lye's on the couch all day and does nothing. (M)

Question:men are GENERALLY more competitive, more goal orientated, more creative, more ambitious, more strive for power/domination, more strive for getting ahead in life, more passionate about their aim, braver, more confident, etc... this might be a bit cold and clinical but this is what works in the real world. women are (again generally) not as much as men the things as mentioned above. women usually are more caring and loving. this might be nicer. but this would only work in a prefect ideal fairy tale world. why?

Answers:There's a real world?



Question:1) The general latitude (geological distribution) 2) Approximate Earth coverage 3) Soil type 4) Human impact We're having trouble finding this information for a project, if you can help with any of this, that would be great! Thanks!


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Characteristics of Animal Groups :Check us out at www.tutorvista.com Scientists estimate that there may be between 3 and 30 million species of animals on our planet. If you're just starting to learn about animals and wildlife, it would be an overwhelming task to try and memorize species, one by one. Instead, an understanding of the main groups of animals provides a good foundation for further learning. In this article, we'll take a look at six groups of animals, their characteristics and the types of organisms that belong to each group. Once you have a understanding of these six groups, you'll be on your way to grasping the basic characteristics of virtually every animal on the planet. 1. Invertebrates The first animals to evolve were invertebrates. Fossil evidence of invertebrates dates back to the late Precambrian, 600 million years ago. Invertebrates evolved from single-celled microorganisms. Since then, invertebrates have diversified into countless forms. An estimated 97% of all species are alive today are invertebrates. Invertebrates are not a true taxonomic class of animals, they are united more by what they lack (a backbone) than by shared characteristics. Invertebrates include animal groups such as sponges, cnidarians, flatworms, molluscs, arthropods, insects, segmented worms, and echinoderms as well as many other lesser-known groups of animals. 2. Fish were among the first vertebrates to evolve. The earliest known fishes were the ostracoderms, a now-extinct group of jawless fish that appeared in ...