Which of the following is most likely a product of an early gene?
A) capsid proteins
B) DNA polymerase
C) envelope proteins
D) spike proteins
E) lysozyme
B
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The removal of a keystone species from a community typically results in an increase of diversity
Indicate whether the statement is true or false
A nonprofit conservation organization receives a sizeable donation and decides to purchase several thousand acres of "high desert" in southern California. This particular type of desert has an intermediate level of species diversity and few unique species. However, much of the original areas of high desert have been converted to suburban housing and shopping. The decision by the nonprofit to preserve this area was most likely based upon what conservation strategy?
A. Conservation of endemic species hotspots B. Conservation of megadiverse areas C. Conservation of representative habitats D. Conservation of single species
Which of the following statements about xylem is incorrect?
A) It conducts material from root tips to leaves. B) The conducting cells are part of the apoplast. C) It transports mainly sugars and amino acids. D) It typically has a lower water potential than is found in soil. E) No energy input is required for transport.
Which features of naked mole rats are similar to eusocial insects? (Check all that apply)
A. higher relatedness between siblings than between parent and child B. colony has a large number of individuals C. a single queen is responsible for breeding D. division of labor E. haplodiploidy