The famous scientist albert einstein sometimes used "thought experiments" such as imagining himself chasing a beam of light or riding in an elevator in free-fall. these thought experiments, which would not be possible to conduct physically, him challenge current scientific thinking and develop his theories of gravity and of special relativity.

Marianne is comparing two animals: a fruit fly and a fruit bat. she asks, "do a fruit fly and a fruit bat share a common ancestor in their evolutionary history? " according to evolutionary theory, what is the answer to marianne's question?

Select the correct answer. which mutation is harmful to the organism? a. a mutation allowing moths to camouflage better on blackened tree bark b. a mutation making staphylococcus aureus resistant to the antibiotic methicillin c. a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell d. a mutation causing uncontrolled cell division e. a mutation giving plant leaves a bitter taste to discourage herbivores from eating them

Introducing minvasive species to an ecosystem results in an increase in biodiversity is it true or false