Not all members of a species are the same. Every species exhibits (blank) . For example, some beetles are green, while others are brown.

Not all individuals in a population will survive to reproduce. Those that do, pass their (blank)
to their offspring.

Which best explains how this maneuver unblock a person's airway?

The health, management and conservation of biodiversity, is a challenge facing ecosystems worldwide. the major factors that affect the health and function of the great barrier reef are climate change and pollution. which question investigates the effects of a biotic factor on the reef ecosystem?

During an experiment, readings for blood pressure in a persons body were found to be constant . however , when he measured by a different blood pressure cuff , the readings differed by 15 points for each reading. this difference indicates that the results are