Matter and Energy
An organism that gets energy and matter by eating other organisms
consumer
CO2 and H2O stand for
Carbon dioxide and water
Cellular respiration takes place in membrane-bound organelles called......
mitochondrion
A pathway that energy and nutrients can follow through an ecosystem
food chain
nonliving part of an ecosystem
abiotic factors
An organism that gets energy and matter by breaking down the remains of other organisms that have died
decomposer
reactants
What are the 2 reactants in cellular respiration?
sugar molecules and oxygen
A representation of the energy available at each level of a food web
energy pyramid
living part of an ecosystem or the result from the activities of living things
biotic factor
The ability to cause change; comes in many forms such as light, thermal, kinetic....
energy
The substances formed in a chemical reaction are called
products
What are the products in cellular respiration?
water and carbon dioxide
Interconnected food chains; model that shows how energy flows between organisms in an ecosystem
food web
A group of individuals of the same species that live in the same place at the same time
population
Anything - living or nonliving- that has mass and takes up space....
matter
a process in which atoms are rearranged to produce new substances
chemical reaction
What are the three main types of carbon based molecules found in food?
carbohydrates, proteins, and fats
Cells use __________ to build many life molecules, including DNA. (Think of your cycle presentations)
nitrogen
limiting factors
Made up of two or more atoms held together by chemical bonds
molecules
The organelles where photosynthesis takes place
chloroplast
What's another name for fats found in food?
lipids
Name 5 parts of the water cycle
evaporation, condensation, transpiration, precipitation, accumulation
When an ecosystem hits maximum size with resource availability before a population decrease occurs
carrying capacity