Where does gas exchange occur in the respiratory system?

a. bronchi

b. alveoli

c. trachea

d. epiglottis

What is directly responsible for providing energy to phytoplanktonin the ocean?

Which term describes body part to f different organisms that are similar in form

Describe two types of phloem cells that make up phloem tissue and outline how their structure assists function.

Using the sbar format, nurse stacy calls dr. edwards and reports her assessment findings. what should she include in her report

The case of the system unit is made of metal or plastic and protects the internal electronic components from damage. a. True b. False

Phylogeny refers to a. the evolutionary history of a group of related organisms. b. a group of organisms that includes an ancestor and all of its descendants. c. Darwin's method to classify organisms. d. all of the above

Vertebrae protect the cerebellum. true or false

Which of these is NOT a way that large molecules, like glucose, can enter a cell? A) diffusion through the cell membrane. B) facilitated diffusion through protein channels in the cell membrane.

The specialized functions of different membranes are largely determined by the blank they contain. Membrane lipids are blank molecules, composed of a hydrophilic portion and a hydrophobic portion.

Which of the following aren't eukaryotes? plants bacteria animals fungi