Unit 1
A set of interacting components.
What is a system?
The smallest basic unit of matter.
What is an atom?
A sequence that links species by their feeding relationships.
What is a food chain?
The measure of the amount of light that a particular surface will reflect.
What is albedo?
A sequence that links species by their feeding relationships.
What is a food chain?
The living components in an ecosystem.
What are biotic factors?
Two or more atoms bonded by shared electrons.
What is a molecule?
Shows the amount of individual organisms that are present at each trophic level in an ecosystem.
What is a pyramid of numbers?
The balance of incoming and outgoing energy.
What is an energy budget?
Lipids, proteins, nucleic acids, and carbohydrates.
What are the four main groups that comprise of all living things?
A group of species that live in the same area.
What is a population?
A molecule made up of subunits called adenine, ribose, and three phosphate groups.
What is ATP?
Chemicals that enter the food chain and build up in the bodies of organisms through a process.
What is biomagnification?
Anything added to the environment that has a negative effect on the environment or its organisms.
What is pollution?
The limitations that a design or solution must stay within.
The process by which one organism captures and feeds upon another organism.
What is predation?
The process of capturing and transforming light energy from the sun and storing it in high-energy sugar molecules.
What is photosynthesis?
A large artificial or natural storage space for water.
What is a reservoir?
Occurs when a barrier divides a larger habitat into smaller sections, preventing populations of species from accessing their full home ranges.
What is habitat fragmentation?
An introduced species that causes economic or environmental harm or poses a threat to human health.
What are invasive species?
The close ecological relationship between two or more organisms of different species that live in direct with one another.
A process that releases chemical energy from sugars and other carbon-based molecules to make ATP when oxygen is present.
What is cellular respiration?
The process of certain types of bacteria converting gaseous nitrogen into ammonia (NH3).
What is nitrogen fixation?
Non-native species that have been introduced into new areas that have not historically been part of their native range.
What are introduced species?
Aquatic single-celled photosynthetic organisms.
What are cyanobacteria?