For the clade of winged organisms, which of the following would be considered the outgroup?
a. insect
b. bat
c. eagle
d. penguin
e. honeycreeper
ANSWER: a
Biology & Microbiology
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An atom has 20 electrons and 20 neutrons. What is the mass of this atom?
A. 10 B. 20 C. 40 D. 80
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Which of the following will you be using to observe mitosis?
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Sex cells having the ___________ number of chromosomes are called ____________.
a) haploid ; zygotes b) haploid ; gametes c) diploid ; gametes d) diploid ; sperm e) diploid ; somatic cells
Biology & Microbiology
During oogenesis, oogonia differentiate and become diploid primary oocytes, which divide to produce four diploid secondary oocytes
Indicate whether the statement is true or false
Biology & Microbiology