Which of the following best illustrates homeostasis? (3 points) O All organs in the human body are composed of the same four kinds of tissues.
O Cells use various forms of transport to move materials through the cell membrane.
O When CO2 levels in the blood Increase, the body responds by breathing faster to release CO2.
O When you touch a hot stove, you instantly pull back your hand before your brain processes the pain.

When creating a graph, the goes on the x axis and the goes on the y axis. a. dependent variable, independent variable b. experimental group, control group c. independent variable, dependent variable d. control group, experimental group

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 8 options: the cold balloon expands and rises. the warm balloon shrinks and sinks. the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the warm balloon expands and rises. the cold balloon shrinks and sinks.

Which to produce involved from a symbiotic relationship of organisms which resulted in eukaryotic organisms contain chloroplast