Which phrase describes a population? a. a group of different communities in an area b. organisms of the same species living in an area c. nonliving things that interact with living things in a region d. organisms that belong to the same community within a region

How do you transfer mrna into codons ? i'm so confused : (

You can tell from this karyotype that the individual is female because the karyotype has two chromosomes labeled

Which of the following describes a negative feedback loop? when the heart rate is too high, the body sends hormones that continually increase the heart rate higher. when a pregnant woman is in labor, the body sends hormones that increase the intensity of contractions, which then increases the secretion of the same hormones. when blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows. when a person is jogging, the body sends hormones that continually decrease the rate of oxygen supply to the legs.