Giraffe necks and mice necks have the same number of vertebrae, despite their different sizes and functions. This is an example of a(n) .

Which organism is the producer in this food web? 7th grade question. a) arthropods b) birds c) fungi d) plants

What protects the lining of the stomach from acidic gastric juices?

The following image is of a diatom. it lives in water and gets food from photosynthesis. it is encased in a hard shell made of something similar to glass or sand . a diatom is a(n) because it has a) multi-celled organism; specialized parts. b) vertebrate; a skeleton. c) insect; an exoskeleton. d) single-called organism; only one cell.