Darwin concluded that organisms on the Galápagos Islands a. had changed over time. b. had remained the same. c. were the result of selective breeding. d. had no variations.

A student is asked to compare the general characteristics of a red star and a blue star what factual statement can the student make based on solely on the color of the two stars?

How are nucleotides connected to make a polymer?

Which compound is not made of molecules? a. C6H1O6 b. CO2 c. H2O d. NaCI

The way light bounces off a mineral surface is described by the minerals what

Deep-brain stimulation has been reported to provide relief from

If an object with a mass of 100 kg on earth is taken to a planet that has more gravity, how will this affect the object's mass and weight?

Lamarck's mechanism of change can be called

What is carrying capacity and what does it mean for ecosystems?

Why was the evolution of a coelom a critically important innovation for animals? a) The coelom can act as a hydrostatic skeleton. b) The coelom gives rise to a complex nervous system. c) The coelom made it possible for animals to colonize land.

Marine mammals, with a few exceptions, are a. oviparous b. ovoviviparous c. viviparous