True or false? Charles Darwin noticed that all of the Galapagos islands had 1
species that were all exactly the same.

Give the biological term for: structures that display characteristics of living organisms only within living cells

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

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.