Which organisms provide energy to all other organisms in this food web? a. grasshopper and cricket b. frog and shrew c. marsh grass and cattail d. hawk and snake

Secondary succession would most likely be taking place in a(n)

If the birth rate of a population of dolphins is 2.0, the death rate is 0.5, and the population size is 100, what is this dolphin's population growth?

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.