Question: You are presented with the question "What do things that cannot make their own food need as a nutrient?" and the following answer choices: - Energy - metal - animals - mud - Energy. - protein - prototype - fungi Now knowing that heterotrophs are living things that cannot make their own food and proteins are an essential nutrient for heterotrophs , choose the best answer.
Answer: protein

Question: You are presented with the question "Which process of gene abnormalities can mutations be detected?" and the following answer choices: - A computer - ligt - analysis - radiation - electrically - negative - Microscope - illness Now knowing that mutations may change the structure of a chromosome or just change a single nucleotide and chromosomal abnormalities can be examined by chromosome analysis, choose the best answer.
Answer: analysis

Question: You are presented with the question "What balances the soil?" and the following answer choices: - rivers - salinity - nutrients - heat - compost - Earthworms - roundworms - Annelids Now knowing that changes in the pH of soil can cause plants to die and compost balances the pH of soil, choose the best answer.
Answer:
compost