Which of the following best describes elements of a stable ecosystem?
a. the cyclical increas...
Biology, 12.07.2019 02:30 lilmaddy8856
Which of the following best describes elements of a stable ecosystem?
a. the cyclical increase and decrease of a population of algae in a lake
b. a sudden decrease in a predator population in a forest
c. a steady increase in carbon dioxide levels in the atmosphere
d. the slow depletion of nitrogen in the soil of a meadow
Answers: 2
Biology, 21.06.2019 16:00
Dwarf galaxies are select one: a. relatively rare. b. not very bright c. mostly spiral shaped. d. none of these.
Answers: 1
Biology, 22.06.2019 03:00
Which statement best describes the relationship between an allele and a gene? question 1 a. an allele is a variation of a gene that can be expressed as a phenotype. b. an allele is the part of a gene that attaches to messenger rna molecules. c. an allele is a segment of a dna molecule that controls replication of a gene.
Answers: 3
Biology, 22.06.2019 03:00
Restriction enzymes are used in making recombinant dna. describe the role restriction enzymes perform when constructing recombinant dna.
Answers: 2
Biology, 22.06.2019 08:50
You are observing different types of cells in your science lab. one cell has many chloroplasts. what is the most likely function of this cell? a. energy production b. photosynthesis c. reproduction d. digestion
Answers: 1
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