The new plant produced by the technique of layering must remain attached to the stem of the original plant. true or false

Nucleic acid certain protein cell membranes certain carbohydrates

Which description provides the best objective summary of the article in the passage?

8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.