Multicellular organisms are composed of a variety of living structures that are formed when cells differentiate. How could the living structure pictured below be classified? A. tissue B. cell C. organ system D. organism

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

Freckles are a dominant trait in humans. both of the girls have the genotype ff for freckles. if either one marries a man with no freckles, what are the chances that their children will have freckles?

Which of the following statements is accurate about evolution? question 10 options: natural selection only eliminates odd individuals. evolution means that a population never has changes in its genetic frequencies. mutations are always harmful. evolution means that a population undergoes changes in its gene frequencies over time.