Study an ecosystem of your choice, such as a meadow, a patch of forest, a garden, or an area of wetland. determine and list five major plant species and five major animal species in your ecosystem

Which class of organic compounds makes up the channels and pumps that move materials from one side of the cell membrane to the other? a.) carbohydrates b.) lipids c.) proteins d.) nucleic acids

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that

Acommon kind of mechanical weathering is called