Does natural selection occur when which of the following conditions are met? A. Variations between individual organisms lead to differential survival chances.

B. The conditions in an ecosystem support a wide range of living organisms

C. Individual organisms depend on each other to obtain available resources.

D. Habitat and nutrient resources in an area are plentiful over a long period of time.

The tubes transporting minerals and water upward are called ?

Diego conducted an experiment to find out what kind of ball bounces the highest when dropped from a five-foot platform. he used a golf ball, a tennis ball, and a soccer ball. he dropped each ball from the balcony once. diego recorded his observations after each drop. what can diego do to best improve the reliability of his results? a) drop each ball from the platform three more times b) record his observations in more than one unit c) write at least two scientific questions after the experiment is complete d) share his results with other people who have done similar experiments you for the !

Which chemical bond most likely stores the most energy? o a. double carbon-carbon bond o b. single carbon-carbon bond o c. hydrogen-oxygen bond o d. sodium-chlorine bond