1. chlorophyll-bearing organisms lacking true stems, roots, or leaves
2. a brown pigment of the algae
3. any one of certain large, tough, brown seaweeds; the source of potassium, iodine, algin, and sodium carbonate
4. a red pigment found in red algae and in a few cyanobacteria
a, fucoxanthin b, kelp c, algae d, phycoerythrin

Which statement best describes a typical difference that could be found between the "analysis" and "conclusion" sections of a lab report? a) only the "conclusion" describes errors that occurred during the experiment, and only the "analysis" section suggests further research.b) only the "analysis" section includes specific data comparisons, and only the "conclusion" section suggests further research.c) only the "analysis" section discusses whether the original hypothesis was supported, and both sections include graphs of data.d) only the "conclusion section discusses whether the original hypothesis was supported, and both sections suggest further research.(the answer is b i just took the test)

What is one way intensive agriculture can contribute to climate change? a. tree loss to agriculture increases earth's albedo b. livestock manure absorbs greenhouse gases c. large herds of livestock release greenhouse gases d. fewer trees are available to replenish petroleum stores appex

Climate warming trends allow plant and insect species to inhabit larger ranges. select the best answer from the choices provided