Answer: A scientific question can be answered through an investigation. What is tested? Scientists call this an independent variable.
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Answer: Young rivers are channels that are deeper than they are wide, have a very fast flow, and contain frequent waterfalls and rapids
List three characteristics of living organisms
I suggest the easiest bat to study for your report are Vampire Bats
Answer;
C. Be more susceptible to disease and famine
Explanation;
-A species that has experienced a severe bottleneck event would be expected to be more susceptible to disease and famine.
-The Bottleneck Effect occurs when there is a disaster of some sort that reduces a population to a small handful, which rarely represents the actual genetic makeup of the initial population.
-It may be caused by various events, such as an environmental disaster, the hunting of a species to the point of extinction, or habitat destruction that results in the deaths of organisms.