3. a) name two reasons that viruses are considered nonliving. (4 points) b) what is one reason that a virus that spends a long time in the lysogenic cycle could be more dangerous to humans than a virus that does not? (3 points) 4. which would have a bigger effect on an organism, an error during transcription or a missense mutation? explain in one or two sentences. (4 points)

What links the two strands in a dna helix together in the middle? a. phosphate groups b. sugar rings bonded together c. proteins d. bases with hydrogen bonds

What is the inability of an individual or a society to achieve a minimum standard of living known as ?

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.