The bee is pollinating the flower. this is an important step in the of flowering plants. a) speciation b) regeneration c) sexual reproduction d) asexual reproduction

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.

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these

Introducing minvasive species to an ecosystem results in an increase in biodiversity is it true or false