Alleles are alternate versions of gene(s) that have nucleotide sequences. A. the same; completely different B. the same; small differences in their C. different; completely different D. different; the same E. different; small differences in their

The wings of insects, birds, and bats evolved independently but carry out similar functions. this is an example of a. analogous structures. b. embryonic structures. c. vestigial structures. d. homologous structures.

Astudent poured a solution of bromothymol blue indicator into three test tubes. then he placed an aquatic plant in two of the test tubes, as shown below. he placed a stopper on each test tube and placed them all in the dark for 24 hours. bromothymol blue turns from blue to yellow in the presence of co2

What are some manufactured items that can be recycled? plastic bottles diapers paper cups styrofoam