Which of the following is an example of a scientific question?
a) should scientists make as much money as athletes
b) does UV light from the sun damage skin
c) who is the most famous scientist in the world
d) is experimenting on white mice right or wrong
Ans: b) does UV light from the sun damage skin
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Compared with today, the temperature on Earth during its first half-billion years was probably
A) considerably warmer. B) considerably colder. C) about the same as today. D) about the same as today on average, but the diurnal fluctuations were much greater.
The class of echinoderms that releases tubules or eviscerates internal organs is called:
a. Holothuroidea. b. Asteroidea. c. Ophiuroidea. d. Echinoidea. e. Crinoidea.
In a pedigree for an autosomal recessive disorder, which of the following will occur if two homozygous unaffected individuals mate?
a. They will have affected offspring. b. They will have unaffected offspring. c. Cannot be determined based on the information given. d. There is a 25% chance they will have affected offspring.
Eukaryotic cell division consists of interphase and cell division. Explain what happens in the three parts of interphase (G1, S, and G2)
What will be an ideal response?