Which of the following is a density dependent limiting factor?
A) rain B) food supply C) weather D) frost
Answer: B
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The first true hominids in the fossil record are
(a) Australopithecus. (b) Homo habilis. (c) the chimpanzee. (d) Homo sapiens.
A strategy used by dissimilatory metal-reducing bacteria that enable their use of insoluble compounds as electron acceptors is to transfer electrons to the metal via external, intermediary compounds such as ________ found in the environment or ________. These compounds are collectively known as ________.
What will be an ideal response?
The scientific method involves each of the following EXCEPT
A. systematic search for information. B. observation and experimentation. C. forming and testing possible solutions. D. formulation of laws and principles that control the observed facts.
The allele for albinism (c) is recessive to the allele for normal pigmentation (C). A normally pigmented woman whose father is an albino marries an albino man whose parents are normal. They have three children, two normal and one albino. What would be the genotype for the two normal children?
A. Cc B. cc C. CC D. either CC or Cc E. either Cc or cc