In considering life’s hierarchy of organization, the _____ is best described as all the environments on Earth that support life, or even as the Earth itself.
Fill in the blank(s) with correct word
Answer: biosphere
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The initial floristic composition hypothesis proposes that the process of succession at any site is dependent on which species arrive first
Indicate whether the statement is true or false
Invertebrates that feed on coarse particulate organic matter (CPOM), such as leaves that fall into streams and rivers, are referred to as
A) shredders. B) gougers. C) grazers. D) collectors.
Releases hormones that control blood sugar levels by stimulating glycogen formation or breakdown
(A) testis (B) Lining of small intestine (C) Anterior pituitary (D) thyroid (E) pancreas
Which of the following statements about aromatic amino acids is correct?
A) All are strongly hydrophilic. B) Histidine's ring structure results in its being categorized as aromatic or basic, depending on pH. C) On a molar basis, tryptophan absorbs more ultraviolet light than tyrosine. D) The major contribution to the characteristic absorption of light at 280 nm by proteins is the phenylalanine R group. E) The presence of a ring structure in its R group determines whether or not an amino acid is aromatic.