Looking at the image of the freshwater lake ecosystem in the reading, can you name biotic and abiotic factors in this specific ecosystem? What changes in this ecosystem would impact the biotic factors? A sample answer could include the following:
Biotic: Fish Crayfish Zooplankton Grasses
Abiotic: Sun Sedimentation Weather Changes:
Water pollution Air pollution Overfishing Dredging of the bottom of the lake
Answers: 3
Biology, 21.06.2019 19:30
Which of the following occurs most often in a population when genetic variation and overproduction are present? some organisms have a lower reproductive success than others. some organisms have a higher reproductive success than others. some organisms have no reproductive success. some organisms do not have genetic variation.
Answers: 3
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 04:30
Sexual reproduction in the parent cell will result in offspring with a) identical genetic information. b) half the genetic information. c) double the genetic information. d) four times the genetic information.
Answers: 1
Biology, 22.06.2019 07:00
According to the cell theory, which describes cells? a. all organisms are composed of multiple cells. b. all cells have the same structure and function. c. cells are found in everything on earth. d. living organisms are not created spontaneously
Answers: 2
Looking at the image of the freshwater lake ecosystem in the reading, can you name biotic and abioti...
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