Additional Material Flashcards
(20 cards)
___ refers to use chemical energy.
Chemosynthesis
Autotrophs use ___ as a source of carbon and ___ for synthesis of organic matter.
CO2
Inorganic nitrogen
___ cannot synthesize their own food and rely on other organisms.
Heterotrophs
Heterotrophs require ___ as a source of energy.
Complex organic carbon compounds
Heterotophs require ___ for metabolic synthesis.
Carbon
To live, all cells need ___ and ___.
Energy
Carbon
___ is supplied through the processing of nutrients.
Energy
___ is for the synthesis of organic compounds (growth, reproduction).
Carbon
Increasing CO2 in the atmosphere causes ocean pH to ____.
Increase/Decrease
Decrease
Which of the following is not true about prokaryotic organisms?
A. They lack a cell nucleus
B. They lack a cell wall
C. They maintain their genome in a single copy, using a single DNA chromosome.
D. They have evolved throughout geologic time.
B
___ has a great influence over the distribution of biomes.
Climate
An ___ is an organism that uses CO2 as a source of carbon for growth.
Autotroph
___ is the net amount of organic matter produced by photosynthesis per unit time in a defined area.
Net primary production
___ runoff from farms can increase photosynthesis by other organisms in aquatic ecosystems.
Fertilizer
___ increases respiration rates, and in cases where respiration uses up all the dissolved oxygen present, this leads to dead zones.
Eutrophication
As energy flows through an ecosystem, it can change ___, support ___, and is always lost to ___.
Form
Life
Heat
Organisms at higher trophic levels store ___ biomass than those at lower levels.
Less
Most of the carbon on earth is stored in the ___.
Lithosphere
Aquatic biomes are determined primarily by ___ and __.
Temperature
Salinity
Autotrophs are organisms that can produce their own food from the substances available in their surrounds using ___ or ___ energy.
Light
Chemical
