Q: Plants are complex organisms with tissues organized into what? Choices: - carbons - systems - families - organs A:
organs

Q: What kind of reaction is needed to prepare amides? Choices: - amino acid reaction - oxidize acid reaction - lipophilic acid reaction - carboxylic acid reaction A:
carboxylic acid reaction

Q: What type of cell layer do flatworms have? Choices: - epidermis - cuticle - endoderm - mesoderm A:
mesoderm

Q: What happens to the rate of chemical reactions in higher temperatures? Choices: - they become erratic - they stop - they decrease - they increase A:
they increase