A scientist is trying to determine the evolutionary relationships among a species with very similar physical characteristics one method to determine the relationships as my care of hearing amino acid sequence is a proteins why would the scientist compare the amino acid sequence a proteins common to those similar species

What do your cells need to live? a. carbon dioxide b. carbon c. air d. oxygen

Which of the following options describes photosynthesis correctly? question 8 options: a plant uses carbon dioxide and water to make oxygen and nitrogen a plant breaks down sugar to make carbon dioxide. a plant uses sunlight, carbon dioxide, and water to make sugar and oxygen. a plant uses sunlight to break down sugars for digestion into water and oxygen.

Which of the following is the smallest unit that would contain a complete copy of the entire human genome? a) one human somatic cell b) one human chromosome c) all of the dna of one human d) one human gene