Which layer of the alimentary canal is constructed from either stratified squamous or simple columnar epithelium? a) muscularis externab) mucosac) submucosad) serosa

Biomass can be used to generate electricity. biomass relies heavily on agricultural crops. plants release carbon dioxide and water in combustion. plants use photosynthesis to originally generate the energy that is needed. the chemical energy of these plants all started with what energy source?

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

How would you describe the the organisms in the second row of model 1 that are connected to the parents by a line