Identify this vertebrate structure. What do the rings present?
What will be an ideal response?
Typical scale of a bony fish, the rings indicate annual growth.
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In the process of alternation of generations, the _____
A) sporophyte is haploid and produces gametes B) sporophyte is diploid and produces spores C) gametophyte is haploid and produces spores D) gametophyte is diploid and produces gametes E) spores unite to form a zygote
Imagine you are a doctor and you are presented with a female patient who has been unable to get pregnant despite 2 years of trying with the same partner. Rank the following factors from most important (#1) to least important (#4) in your determination of the cause of her apparent infertility.
a. Her STD history b. Her hormone levels c. Her partner's age d. Her age
What is characteristic of dry shrublands (chaparral)?
a. Cool, wet winters are followed by hot, dry summers. b. Primary production is abundant throughout the year. c. Constant cool temperatures prevail throughout the year. d. Winters are mild and summers are wet. e. Precipitation occurs evenly year round.
The idea that Earth orbits the sun is referred to as ____ of the solar system, because of the scientist who first proposed
it.
a. the Galilean theory b. Newton’s model c. Einstein’s theory d. the Copernican model e. Darwin’s theory