Many scientists are convinced that the growing human population is contributing to the gradual warming trend that is occuring on planet earth. according to the researchers, which human activity is most likely to be a contributing factor in global warming?

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

Select all that apply genes are specific nucleotide sequences occur in numbers that are the same as the number of chromosomes are located in a specific place on a chromosome determine the traits of an organism are units of rna

Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?