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Questions in biology

[Answered] Food chains are parts of food webs, in which we go from plants at the first trophic level (primary producers) to a second trophic level, and so on. Why do food chains in nature rarely exceed 4 or 5 levels? A. because evolution has not yet created that degree of complexity B. because organisms die more easily at the higher levels C. because of inefficiencies, the available energy becomes less and less at higher levels D. because food chains limit the levels of food webs

[Answered] If one were to compare the endocrine system and the body's electrochemical information system in terms of speed, one might call the former a _____ and the latter a _____. A. tortoise; hare B. dolphin; porpoise C. dog; cat D. hare; tortoise

[Answered] How many eggs does a female Great Indian Bustard lay at a time?

[Answered] Which of the following compounds found in tomatoes may reduce the risk of prostate cancer? A. anthocyanins B. lycopene C. beta-carotene D. probiotics

[Answered] CL101F Lecture _Week 11 - Homeostasis.pdf

[Answered] Linnaeus developed the binomial system of classification. A. True B. False

[Answered] Which of the following levels of classification is most inclusive? A. class B. kingdom C. order D. family

[Answered] The project that sequenced and mapped all of the genes in the human body is known as A. The Human Chromosome Project B. The Human Genome Project C. The Human Allele Project D. The Human Karyotype Project

[Answered] Which describes the function of ATP synthase in light-dependent reactions of photosynthesis? A. uses the energy from a proton gradient to synthesize ATP from ADP and phosphate B. uses a proton gradient to transport glucose across the thylakoid membrane C. converts light energy directly to ATP

[Answered] Which of the following kingdoms is stationary, photosynthetic, and has true organs? A. Fungi B. Archaea C. Animalia D. Plantae