How is antibiotic resistance an adaptation? a. the trait giving bacteria antibiotic resistance has reproductively isolated groups of bacteria. b. antibiotic resistance has caused antibiotics to become more specialized, thus adapting the antibiotics to particular bacteria species. c. antibiotic resistance makes it more difficult for bacteria to infect hosts, thus is a selective advantage for the host. d. the trait giving bacteria antibiotic resistance has become common, giving bacteria with the trait a selective advantage. !

What organelle other than the nucleus houses dna in a eukaryotic cell?

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?

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.