In the hypothesis phase of the scientific process, the scientist gives one or more falsifiable explanations for the observation.

a. true

b. false

Match the types of competition to their descriptions

State officials are considering constructing a road through a forested wilderness area. this action will likely affect the forest ecosystem in various ways. part a: predict how the construction of a road could negatively affect plants and animals in that ecosystem. (3 points) part b: describe one way that the construction of a road could have a positive impact of the forest ecosystem. (1 point)

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?