What happens to the chemical elements that make up the molecules of living things as they pass through a food web? a. some of their energy is stored in newly made structures. b. all of their energy is dissipated as heat. c. they remain intact in their original structures. d. they are not transferred at all.

Which best describes red blood cells? a. they are colorless b. they protect against disease-carrying microorganisms c. they transport oxygen throughout the body d. they aid in blood clotting

Aflashlight battery is an example of a) potential energy b) kinetic energy c) thermal energy d) solar energy

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.