Cell Respiration
Photosynthesis
Humans in Biosphere
Ecosystems and Communities
Biosphere
100
The first step in releasing energy from glucose, in which a molecule of glucose is broken into pyruvic acid.
What is glycolysis?
100
The main energy source for photosynthesis.
What is the sun?
100
The practice of farming.
What is agriculture?
100
The condition of Earth's atmosphere at a particular time and place.
What is weather?
100
Groupings of different populations that live together in a defined area.
What is community?
200
A process that requires oxygen.
What is aerobic?
200
Carbon dioxide and water.
What are the raw materials for photosynthesis?
200
A farming strategy in which large fields are planted with a single crop, year after year.
What is monoculture?
200
The average, year after year conditions of temperature and precipitation in a particular region.
What is climate?
200
Organism that obtains energy by eating only plants.
What is an herbivore?
300
The organelle in which much of cellular respiration takes place.
What is a mitochondrion?
300
A light absorbing molecule.
What is a pigment?
300
A resource that can regenerate quickly and that is replaceable.
What is renewable?
300
Any necessity of life, such as water, nutrients, light, food, or space.
What is a resource?
300
The scientific study of interaction among organisms and between organisms and their environment.
What is ecology?
400
The process by which cells release energy in the absence of oxygen.
What is fermentation?
400
Saclike photosynthetic membrane found in chloroplast.
What is a thylakoid?
400
A species whose population size is rapidly declining and will become extinct if the trend continues.
What is an endangered species?
400
A physical, or nonliving, factor that shapes an ecosystem.
What is an abiotic factor?
400
Organism that feeds on plant and animal remains and other dead matter.
What is a detritivore?
500
ATP, water and carbon dioxide.
What are the products of cellular respiration?
500
The principal pigment of plants and other photosynthetic organisms, it captures light energy.
What is chlorophyll?
500
The total of all the different types of species of organisms in the biosphere.
What is biodiversity?
500
Relationship in which two species live closely together.
What is symbiosis?
500
Observation, experimentation and modeling.
What are approaches used to study ecology?
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