HELP PLEASEEE Vertebrate animals are organisms that have a spinal column and use bones to support
their weight. Scientists consider bones to be an organ of the skeletal system. What organ
of a plant is most similar to a bone in animals?

Choose from cell wall, root, and stem.

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.

Eutrophication caused by human nutrient pollution.

Describe the impact of deforestation of both abiotic and biotic factors within the tropical rainforest.