The results in the accompanying figure support the conclusion that:
a. natural selection does not occur in guppies.
b. natural selection can occur in guppies within a few generations.
c. predation is not a selective force in determining the average size of guppies.
d. male body weight increased proportionately more than female body weight.
e. in the experimental setting, the guppies produced fewer, larger offspring.
b
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________ causes microtubules to form tight bundles in nerve cells.
A) Dynein B) Actin C) Tau D) Kinesis E) Tubulin
Match each tissue/ organ with its status regarding our current understanding of its resident microbiota:
a. skin and mucus membranes b. bladder and urine c. brain 1. no known microbes, but microbial DNA has been detected 2. believed to harbor some microbes 3. definitively know to harbor microbes
A carpel is composed of _____.
a) stigma, style, and ovary b) ovary, ovule, and anther c) petal, sepal, and stamen d) ovule, megasporocyte, and anther e) zygote, anther, and endosperm
The close contact between newborns and family members allow them to become ________ with microbes that become established as their microbiota. (Choose the most accurate term.)
A) infected B) parasitized C) colonized D) contaminated E) infiltrated