Only about 10 percent of the energy at one level of the food web is transferred to the next higher level. Most of the energy at each level is used by organisms to grow, create heat, and move. A diagram called an energy pyramid is used to display this transfer of energy. Why do you think using a pyramid shape is a good model to show how energy moves through an ecosystem?

You can tell from this karyotype that the individual is female because the karyotype has two chromosomes labeled

What are the three types of counseling established by marine corps policy?

Use this dichotomous key for insect identification to identify the insect shown. 1. a. insect has one pair of wings. order diptera b. insect has two pairs of wings. go to #2 2. a. front wings thicker in texture than hind wings go to #3. b. front and hind wings are same texture throughout. go to #4 3. a. front wings are short order dermaptera b. front wings cover entire abdomen order coleoptera 4. a. wings with scale on all parts of their area. order lepidoptera b. wings without scales go to #5. 5. a. hind wings smaller than front wings. order ephemeroptera b. front and hind wings nearly equal in size. order odonata the insect pictured is in the order diptera. ephemeroptera. coleoptera. odonata.