You are a resource manager of a large eutrophic lake. After stopping the source of nutrients from entering the lake, what further steps could you do to improve the water quality?
a. introduce phytoplankton-consuming fish.
b. introduce freshwater sponges into the lake.
c. introduce aquatic plants into the habitat.
d. introduce carnivorous fish into the lake.
A
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Which of the following is not true of
telomeres? a. The have the sequence TTAGGG. b. They are at the ends of chromosomes. c. Their sequence is actively transcribed. d. They shorten by 100 bases with each round of cell replication. e. They shorten from the action of DNA polymerase.
Describe the relationship between single nucleotide polymorphisms and haplotypes and explain how each is used in
genome-wide association studieWhat will be an ideal response?
Most representatives of the phylum Porifera gain nutrition as:
A. parasites. B. predators. C. autotrophs. D. herbivores. E. suspension feeders
The genes along a particular linear chromosome are illustrated in the figure above. The frequency of crossover events between these loci will be least frequent for genes
A) a and b. B) b and c. C) c and d. D) d and e. E) a and e.