An animal can imprint only on members of its own species
Indicate whether the statement is true or false
FALSE
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The process whereby toxins are actively taken up by an organism is called:
a. additive affect. b. bioaccumulation. c. trophic dynamics. d. predator-prey relationships. e. adsorption onto seston.
Disruptive selection tends to _____ (select all that apply)
a. eliminate extreme forms of a trait b. favor extreme forms of a trait c. eliminate intermediate forms of a trait d. favor intermediate forms of a trait e. shift allele frequencies in one direction
The human papillomavirus (HPV) carries a gene that functions as an oncogene by inactivating the p53 protein. The fact that the loss of p53 function is oncogenic suggests that
A) p53 normally functions to prevent uncontrolled cell division. B) p53 is a proto-oncogene. C) the HPV protein activates transcription of p53. D) p53 functions at origins of replication in DNA.
What can result in speciation within a few generations?
A. Development of a physical barrier B. Polyploidy arising in a plant species C. Postzygotic isolating mechanisms D. Change in environmental conditions E. The introduction of a new predator into an area