all life is composed of_____
Cells
define habitat
the area where an organism lives
what 3 processe produce energy in cellular respiration?
Glycolysis
Krebs cycle
Electron transport chain (ETC)
What is the ecology?
The study of the environment
What are nutrients?
a substance that provides nourishment
Scientist that used the light microscope to discover cells
Robert hooke
what is a Niche?
an organisms job or rule in a ecosystem
What are 2 advantages of glycolysis?
Doesnt require oxegin
goes very fats
What are the three basic methods used by ecologists to study the living world?
Observation
experimentation
modeling
what is precipitation?
when water returns to earth's surface
What is most cells color?
No color, translucent
what is the competitive exclusion principle?
No two speicies can occupy the same niche in the same habitat at the same time
What is another name for the krebs cycle?
Citric acid cycle
What is abiotic?
non living parts of the environment
What is condesation?
when water cools down and condenses into droplets and froms clouds
What is a very common color that cells are stained
methane blue
What are the three symbiosis relationships
1. mutualism
2. commensalism
3.parasitism
Why is the krebs cycle called the citric acid cycle?
Citric acid is the first compound formed in the series of reactions
what is a biome?
a group of ecosystems that share similar climates and typical organisms
What are 4 processes involved in the carbon cycle?
biological processes
human activity
geological processes
physical/chemical processes
what are the 2 major types of electron microscopes.
transmission electron microscope
scanning electron microscope
What are the three types of population distribution?
Random
uniform
clumped
Where is the concentration of the hydrogen ions very high inside of the mitochondria?
the intermembrane
What is a biosphere?
our entire planet with all its organisms and physical environments
aside from energy, what are 6 things an ecosystem needs?
water
minerals
oxegon
carbon
nitrogen
phosphorus