In a raffle where one number is chosen, determine the probability that you would win if you have a choice of 52 numbers to choose from.

What is the name for the diffusion of water across a semipermeable membrane

Adaptive melanism describes selection for

Individual living things are called

Why is Saturn losing its rings?

What is the difference between a habitat and a niche give an example of each?

A population is best represented by

Carolyn suffers from the excessive secretion of insulin in the bloodstream. the medical term for this condition is

Some biological hazards (such as bacteria, viruses, parasites, and fungi) are undetectable by sight, smell or taste and can potentially cause an illness. What are these biological hazards called?

What is a negative effect of using land as a resource

This plant structure gives plants their green color