1 The process by which organisms use chemical energy to produce carbohydrates is 2 A collection of all the organisms that live in a particular place, together with their physical environment, is a(an)

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A chemical substance that an organism requires to live is a(an)

3 Autotrophs, which make their own food, are also called

4 A group of ecosystems that have the same climate and dominant communities is a(an)

5 A process in which elements, chemical compounds, or other forms of matter are passed from one organism to another and from one part of the biosphere to another is a(an)

Which of the following scenarios is an example of the bottleneck effect? answers a in south africa, much of the afrikaner population is descended from a small number of dutch colonists. in this population, this is an unusually high frequency of pseudoxanthoma elasticum (pxe), an elastic tissue disorder. b four white-tailed deer are introduced to a park in finland. thirty years after their introduction scientists compare the genes in the population and find that there is no variation. c during the industrial revolution, london's air became filled with soot. as a result, birds started eating more of the lighter moths because they were easier to spot than their darker counterparts. over time, the moth population changed so that there were more darker moths than lighter ones. d 10% of the population of american alligators in an area have the recessive trait albinism. a massive flood results in the death of 80% of the population. of the remaining population, 60% have the recessive trait of albinism.

What should be the strand of complementary dna produced by the strand of dna shown below cgt ata

Hemoglobin is a proton that carries oxygen around your body what is hemoglobin made from