Which solution is more concentrated? Solution 1:
500 mL of water
100 g of salt

Solution 2:
500 mL of water
90 g of salt

A. Solution 1
B. Solution 2
C. Both have the same concentration

What are some things that limit population growth?

Which type of organism is missing from the food web seen in the illustration? primary consumers decomposers primary producers secondary consumers

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.