Which of the following is true of a species that has a chromosome number of 2n = 16?
A) The species is diploid with 32 chromosomes per cell.
B) The species has 16 sets of chromosomes per cell.
C) Each diploid cell has eight homologous pairs.
D) A gamete from this species has four chromosomes.
C
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The ________ effect refers to the rich diversity of life that occurs along the border between adjacent habitat patches, represented by species from both adjacent patches and species adapted to edge habitats
Fill in the blank(s) with correct word
Sometimes when I have my morning coffee, which I drink black with no cream or sugar, I notice a thin film floating on top of the coffee
Since I have just read Chapter 3 of the text, I now realize the nature of this substance and so I run to my friend screaming, "Look at this ________ in my coffee!" A) hydrophilic substance B) hydrophobic substance C) disaccharide D) polysaccharide
An area had no previous community and had no existing soil at first, but then living things started occupying the area. This situation would be called ________
A) secondary replacement B) climax community C) biological magnification D) primary succession
Individuals with asthma should exercise in cold weather whenever possible.
a. true b. false