Purple loosestrife is an invasive plant that was brought to the united states in the 1800s. which of the following describes the most likely long-term consequence of the introduction of purple loosestrife? a. herbivores will overpopulate due to an abundant food source. b. native plant populations will decrease as they are choked out by the purple loosestrife. c. purple loosestrife will begin to crossbreed with native plant species. d. air quality will improve as a result of the increased rate of photosynthesis.

Approximately what portion of the foods that we eat have been genetically modified in some way? a. fewer than 10% b. about 50% c. nearly 100%

Which of these is not a nucleotide base found in dna?

Read the scenario below and answer the question that follows. hallie is reading a novel in the library when susan, her best friend, slumps down in a chair next to her. susan doesn't say anything, but hallie knows that susan is upset because she is slumping in her seat and rolling her eyes. a psychologist would explain that hallie is interpreting her friend's emotion based on a. the behavioral component of emotion b. her friend's ability to regulate emotion c. the verbal component of emotion d. the physiological component of emotion select the best answer from the choices provided a b c d