What is the term for the regions of the Earth where living organisms exist?

What is the term for the transmission of heat, electricity, or sound?

What is the term for the transfer of heat caused by molecular motion in a liquid or gas?

What is the term for the atmospheric layer between the troposphere and the mesosphere?

What is the term for the formation of compounds in plants aided by radiant energy?

What is the term pertaining to the structure or movement of the Earth's crust?

What is the term characterized by the interdependence of living organisms?

What is the term for the relative proportion of salt in a solution?

What is the term for relating to a coastal or shore region?

What is the term for any animal lacking a backbone or notochord?

What is the term for shedding foliage at the end of the growing season?

What is the term for the capacity of being prolonged?

What is the term for being or characterized by ideas or their formation?

What is the term for organisms interacting with their physical environment?

What is the term for the type of environment in which an organism normally lives?

What is the term for not extreme?

What is the term for the process of changing from a gas to a liquid or solid state?

What is the term for a reciprocal connection between two or more things?

What is the term for the environment as it relates to living organisms?

What is the term for the variety of plant and animal life in a habitat?

What is the term for the wide part of a river where it nears the sea?

What is the term for a periodically repeated sequence of events?

What is the term for the process of becoming a suspension of particles in the air?

What is the term for the falling to earth of any form of water?

What is the term for single-celled organisms that can cause disease?

What is the term for animals having a bony or cartilaginous skeleton?

What is the term for a colorless gas that acts as a screen for ultraviolet radiation?

What is the process of wearing or grinding something down?

What is the contamination of the natural environment called?

What is a single complete act of breathing in and out called?

What is the highest point of anything called?

What is the action or process of taking over an office or position called?

What is the process in which organisms evolve to adapt to the environment called?

What is the act of spreading outward from a central source called?

What word means 'in imminent threat of extinction'?

What is a covering (usually of cloth) that shelters an area called?

What is careful management of the environment and natural resources called?

What do you call a person who uses goods or services?

What is the process of adjusting or conforming to new conditions called?

What is a submerged ridge of rock or coral near the water's surface called?

What is a sleeveless garment like a cloak but shorter called?

What is the center of an object called?

What word means 'of the nature of or undergoing a trial'?

What is a statement made about the future called?

What is the science dealing with the circulation of goods and services called?

What is the act of choosing called?

What is a very small ocean creature that often forms reefs called?

What is a living thing that can act or function independently called?

What is a representation of something, often on a smaller scale, called?

What is a hard outer layer that covers something called?

What word means 'of or relating to the external conditions or surroundings'?

What is a tentative insight that is not yet verified or tested called?

What word means 'being of second rank or importance or value'?

What is a taxonomic group whose members can interbreed called?

What is the weather in some location averaged over a period of time called?

Fill in the blank: The part of DNA controlling physical characteristics and growth is called _______.

Fill in the blank: A group of people living in a particular local area is called a _______.

Fill in the blank: A branch of mathematics concerned with quantitative data is called _______.

Fill in the blank: An imaginary line around the Earth parallel to the equator is called _______.

Fill in the blank: The first colonists or settlers in a new territory are called _______.

Fill in the blank: A single thickness of some substance or material is called a _______.

Fill in the blank: A measure of how likely it is that some event will occur is called _______.

Fill in the blank: Someone who manufactures something is called a _______.

Fill in the blank: A small part intended as representative of the whole is called a _______.

Fill in the blank: Contrived by art rather than nature is described as _______.

Fill in the blank: The sequence of events involved in the development of a species is called _______.

Fill in the blank: Coming into existence is described as _______.

Fill in the blank: An area or region distinguished from adjacent parts is called a _______.

Fill in the blank: The practice of cultivating the land or raising stock is called _______.

Fill in the blank: The act of spreading or apportioning is called _______.

Fill in the blank: Any mechanical force that tends to slow or oppose motion is called _______.

Fill in the blank: Of first rank or importance or value is described as _______.

Fill in the blank: How something is done or how it happens is called _______.

Fill in the blank: The envelope of gases surrounding any celestial body is called _______.

Fill in the blank: Aid or support that may be drawn upon when needed is called a _______.

Fill in the blank: The act of taking a patient look is called _______.

Fill in the blank: A dish on which food is served or from which food is eaten is called a _______.

Fill in the blank: The act of conducting a controlled test or investigation is called an _______.

Fill in the blank: A source of danger is called a _______.

Fill in the blank: The people who inhabit a territory or state are called the _______.

Fill in the blank: To leave someone who needs or counts on you is to _______ them.

Fill in the blank: Recently made, produced, or harvested is described as _______.

Fill in the blank: To circulate or distribute or equip with is to _______.

Fill in the blank: _______ means power to direct or determine.

Fill in the blank: To _______ means to request urgently and forcefully.

Fill in the blank: A _______ is a series of steps to be carried out or goals to be achieved.

Fill in the blank: An _______ is a phenomenon that is caused by some previous phenomenon.

Fill in the blank: To _______ means to denote or connote.