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Questions in biology

[Homework Help] Why does the amount of daylight increase each day in Texas as the summer months approach?

[Homework Help] In the bird egg, which of the following functions as a reservoir for wastes produced during development? A. Allantois B. Amnion C. Chorion D. Yolk sac E. Placenta

[Homework Help] Which statement describes one difference between hormones and neurotransmitters? A. Hormones modify cellular activity. B. Hormones are secreted into the bloodstream. C. Hormones produce a change in animal behavior. D. Hormones attach to receptors on the cell surface. E. Hormones are released in response to external stimuli.

[Homework Help] An example of a vestigial structure is the A. kangaroo pouch. B. human tail bone. C. cat forelimb. D. all of the above

[Homework Help] Which structural adaptation would help a plant survive better in a shady environment? A. thorns B. small leaves C. large leaves D. brightly colored flowers

[Homework Help] Give three examples of places where bacteria live.

[Homework Help] "We are made of stardust" refers to a. the dust of dead skin cells we shed every day. b. the rotating cloud of stardust that formed the planets. c. the gases in the stars that formed the gases in the atmosphere. d. the rotating cloud of stardust that formed LUCA and all the organisms that evolved later.

[Homework Help] The combined alleles of all the individuals in a population are called the gene pool.

[Homework Help] Inside which portion of a cell does translation take place? A. The endoplasmic reticulum B. The nucleus C. The cytosol D. The Golgi complex E. The cell membrane

[Homework Help] A chemical spill has just killed off all the algae in a part of the open ocean. How will this affect the food webs in that area?