Ecology
___ is the field of Biology that studies the relations between living beings and between living beings and the environment.
What is Ecology?
___ is a substance made up of one type of atom.
What is an element?
The ___ is the
What is The Sun?
___ is the set of living beings able to cross among themselves generating fertile offspring.
What Are Species?
___ two or more atoms connected by chemical bonds.
What is a molecule?
___ is the set of individuals of the same species found in a given place in a given time.
What Is Population?
An ___ is any substance that has pH of less than 7.
What is an Acid?
___ is the set of populations of living beings that live in the same region and interact with each other.
What Is A Community?
An ___ is the smallest recognized division of a chemical element and is made up of three particles: the proton, neutron and electron.
What Are Atoms?
___ are the living beings (plants, animals, and microorganisms) that are part of a given environment.
What Are Biotic Factors?
The ___ is a massive shield that surrounds the Earth, 50kms above the surface of the planet.
What is the Ozone Layer?