What Takes Place During Anaphase I? - homologous pair - # of chromosomes - sister chromatids
What will be an ideal response?
- Each partner of the homologous pair separates and begins to move to the opposite poles. Sister chromatids become daughter chromosomes in this phase
- Number of chromosomes is reduced to half
- Sister chromatids of the chromosomes are still attached at the centromere region?
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A population size will remain stable if
A) the birth and death rates are equal, as are the rates of emigration and immigration. B) the number of births each year is constant and the birth rate is higher than the death rate. C) the rate of emigration is higher than the rate of immigration. D) environmental resistance declines each year. E) the population grows by a fixed percentage of its size each year.
A group that contains species from separate evolutionary lineages is considered ____
a. paraphyletic b. polyphyletic c. monophyletic d. haplophyletic e. multiphyletic
Grasses, palms, and orchids are examples of eudicots
a. True b. False
Compare the efficiency of mammal lungs and fish gills
What will be an ideal response?