Which of the following statements violates the cell theory? a) mitosis produces new cells identical to the parent cell that divided to make them. b) viruses are not considered to be living organisms, because they are smaller than a cell. c) though humans are one organism, they are composed of about 100 trillion individual cells. d) some scientists believe that prions, tiny proteins much smaller than a cell, that can replicate themselves, may be living organisms.

Connection compare and contrast genetic engineering to the process of natural selection. select all statements that are true.

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.

Which of these statements is false? a. others may notice a problem with a relationship before the people involved. b. the first sign of a problem with a relationship is a feeling of anger. c. damaged relationships can be repaired. d. even good relationships can be damaged.