Match the following terms and definitions.
1. a system of distinguishing groups for purposes of identification
taxonomist
2. a taxonomic category containing a group of similar genera
genus
3. a taxonomic category containing a group of similar species
family
4. the smallest taxonomic category
classification
5. a scientist who classifies organisms
taxonomy
6. the science of the classification of organisms
species

Sammi is studying the interaction of the digestive and circulatory systems in the human body. she has listed various processes that occur in each of the systems. put the processes in order to describe the interaction between these two systems. tiles nutrients diffuse through the villi of the small intestine. digestive processes break nutrients down in the mouth, stomach, and small intestine. blood is pumped through the circulatory system to deliver nutrients to other organs. nutrients are ingested at the mouth. nutrients enter the capillaries of the circulatory system. sequence

Which element forms the basis of all organic organisms a carbon b oxygen c hydrogen d nitrogen

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.