What is the name of the particle that circles the nucleus of an atom?
a. electron
b. pr...
Biology, 05.11.2019 22:31 chrissycherry
What is the name of the particle that circles the nucleus of an atom?
a. electron
b. proton
c. neutron
d. protein
Answers: 1
Biology, 22.06.2019 02:00
The concept of keystone species is controversial among ecologists because most organisms are highly interdependent. if each of the trophic levels is dependant on all others how can we say one is most important
Answers: 3
Biology, 22.06.2019 10:40
Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population.b) the separated population is small, and genetic drift occurs.c) the isolated population is exposed to different selection pressures than the ancestral population.d) different mutations begin to distinguish the gene pools of the separated populations.e) gene flow between the two populations is extensive.
Answers: 2
Biology, 22.06.2019 13:10
Which of the following is not a benefit of genetically modified foods? a.pest-resistant crops b.herbicide-resistant crops c.plants that do not require water?
Answers: 2
Biology, 22.06.2019 20:30
An infection of the pulp and the surrounding tissue in the mouth is called
Answers: 1
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