Iguanas similar animals are members of a group called reptiles. how do reptiles differ from other animals?

a. have internal heat

b. have a exoskeleton

c. are land dwellers

d. have scaly skin hardened by keratin

Which of the following are false concerning microbes? a. microbes generate oxygen through photosynthesis. b. the primary role of microbes on the planet involves causing disease in animals and humans. c. microbes produce vitamins in the intestines. d. microbes play a role in breaking down waste and decomposing dead organisms.

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.

Consider the venn diagram of plant reproduction. where in this image, areas a - d, would you insert the picture of the orange lily?