WGU D849 Exam Questions and Correct Answers 100% Verified Graded A+
Define Atom - the smallest and most basic unit of matter.
Define Abiotic - Physical rather than biological; not derived from living organisms.
Define Biotic - All living things
Define Biology - The scientific study of life.
Define Biome - A group of ecosystems that share similar climates and typical organisms.
Define biosphere - The part of Earth in which living things exist, including land, water,
air, and atmosphere.
Define Cell - The basic unit of all LIVING THINGS. (Not smaller than the atom)
Define Community - An assembly of different populations that live together in a defined
area.
Define Ecosystem - All of the organisms living in an area with a non-living environment.
,Define Macromolecule - a molecule containing a large number of atoms, such as a protein
, nucleic acid, or synthetic polymer.
Define Molecule - Smallest part of a chemical compound or element that can exists
independently while retaining its chemical property.
Define Organ - A group of tissues that work together to perform closely related functions.
Define Organ System - A group of organs that perform a specific function together.
Define Organelle - A specific structure or part of a cell to perform important specific
functions.
Define Organism - An individual living entity, such as an animal or plant that can grow,
reproduce, maintain homeostasis, and respond to stimuli.
Define Population - Groups of individuals of the same species that live in the same area.
Define Tissue - A group of similar cells that perform a particular function. tissues make
organs.
Define Chemical Bonds - A lasting force of attraction that holds atoms or ions together to
form molecules and compounds.
, Define Covalent Bonds - A bond between atoms in which electrons are shared.
Define Electronegativity - The degree to which an element tends to gain electrons and
form negative ions in chemical reactions.
Define Electron - In the shells of the atom, negatively charged.
Define Hydrogen Bonds - A weak attraction between a hydrogen atom and another atom.
Define Ionic Bonds - A chemical bond is formed when one or more electrons are
transferred from one atom to another.
Define Proton - a stable, positively charged subatomic particle found in the nucleus of
every atom.
Define Neutron - a subatomic particle of the same mass as a proton but without electrical
charge.
Define Adhesion - The force of attraction between different kinds of molecules
Define Cohesion - Attraction between molecules of the same substance.
Define Atom - the smallest and most basic unit of matter.
Define Abiotic - Physical rather than biological; not derived from living organisms.
Define Biotic - All living things
Define Biology - The scientific study of life.
Define Biome - A group of ecosystems that share similar climates and typical organisms.
Define biosphere - The part of Earth in which living things exist, including land, water,
air, and atmosphere.
Define Cell - The basic unit of all LIVING THINGS. (Not smaller than the atom)
Define Community - An assembly of different populations that live together in a defined
area.
Define Ecosystem - All of the organisms living in an area with a non-living environment.
,Define Macromolecule - a molecule containing a large number of atoms, such as a protein
, nucleic acid, or synthetic polymer.
Define Molecule - Smallest part of a chemical compound or element that can exists
independently while retaining its chemical property.
Define Organ - A group of tissues that work together to perform closely related functions.
Define Organ System - A group of organs that perform a specific function together.
Define Organelle - A specific structure or part of a cell to perform important specific
functions.
Define Organism - An individual living entity, such as an animal or plant that can grow,
reproduce, maintain homeostasis, and respond to stimuli.
Define Population - Groups of individuals of the same species that live in the same area.
Define Tissue - A group of similar cells that perform a particular function. tissues make
organs.
Define Chemical Bonds - A lasting force of attraction that holds atoms or ions together to
form molecules and compounds.
, Define Covalent Bonds - A bond between atoms in which electrons are shared.
Define Electronegativity - The degree to which an element tends to gain electrons and
form negative ions in chemical reactions.
Define Electron - In the shells of the atom, negatively charged.
Define Hydrogen Bonds - A weak attraction between a hydrogen atom and another atom.
Define Ionic Bonds - A chemical bond is formed when one or more electrons are
transferred from one atom to another.
Define Proton - a stable, positively charged subatomic particle found in the nucleus of
every atom.
Define Neutron - a subatomic particle of the same mass as a proton but without electrical
charge.
Define Adhesion - The force of attraction between different kinds of molecules
Define Cohesion - Attraction between molecules of the same substance.
