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Questions in biology

[Homework Help] How does the rock cycle impact the lithosphere?

[Homework Help] What is the ratio of the area of an equilateral triangle, in square inches, to its perimeter, in inches?

[Homework Help] On which continent does a moose live?

[Homework Help] What type of compounds make up most of your body's molecules?

[Homework Help] Name three desirable traits that are being transferred into genetically engineered food crops. How might these traits help to increase world food supplies?

[Homework Help] Is bile associated with autotrophic or heterotrophic nutrition?

[Homework Help] Which of the following occurs during artificial selection, but not during natural selection? A. Selection pressures result in only certain traits from a population being passed on to offspring. B. Traits are passed to offspring through genes. C. Males and females mate and produce offspring. D. Traits that make an organism more beneficial to humans are favored.

[Homework Help] Where are slides placed on a microscope?

[Homework Help] One advantage a plant gets from having flowers is that: A. Flowers are smaller than spores and easier to make. B. There is no sexual reproduction in plants with flowers. C. Flowers attract pollinators, which spread pollen to other plants and thus promote cross-fertilization. D. All of the above

[Homework Help] The air spaces in the leaf interior: a. block gas exchange between the mesophyll cells and the environment. b. make the leaf weigh more than a leaf packed tightly with cells. c. make the leaf weigh less than a leaf packed tightly with cells. d. carry out most of the photosynthesis in the leaf.