Figure 17-1 The Re-Ionization of the Universe Occurred Closest to _____________ Degrees

question 11

Multiple Choice

Figure 17-1
The re-ionization of the Universe occurred closest to _____________ degrees Kelvin. (Refer to Figure 17-1.)

• A) tens of thousands of
• B) thousands of
• C) hundreds of
• D) tens of
• E) less than ten

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Definitions:

Population

A group of individuals of the same species living in the same area and capable of interbreeding.

Survivorship

The probability that a given individual in a population or cohort will survive to a particular age; usually presented as a survivorship curve.

Species

A group of organisms sharing common characteristics and genetic heritage, capable of interbreeding and producing fertile offspring under natural conditions.

Reproductive Success

The passing of genes onto the next generation in a way that they too can pass on those genes.