Ce intelegi prin notiunile biosfera biom. lumea vegetala. lumea animala

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

How can an organ, such as the lungs, work for multiple body systems?

Follow the directions for self-quiz question 8, draw it, by labeling the appropriate structures with these terms, drawing lines or brackets as needed: chromosome (label as replicated or unreplicated), centromere, kinetochore, sister chromatids, nonsister chromatids, homologous pair, homologs, chiasma, sister chromatid, cohesion