F
The deer population might decline/decrease because __________between animals for resources increased.
Competition
Top
Middle
Bottom
Top
Reason: least amount of energy ends up there so fewest number of animals can survive at the top
If a gas tank leaks, drinking water may be contaminated (dirty) because the gas got into the ___________which is drawn up in buckets from a well.
ground water
You should know: A carbon source releases carbon dioxide into the atmosphere while a carbon sink absorbs carbon dioxide from the atmosphere.
The primary sources of carbon are burning _______ ______, deforestation, and ________activity.
The carbon sinks are the o______and f______.
The primary sources of carbon are burning __fossil_____ _fuels_____, deforestation, and _volcanic_______activity.
The carbon sinks are the ___ocean__and __forests______ (they absorb carbon via photos)
Saltwater is a mixture because it is composed of two or more _________that keep their original __________properties.
Saltwater is a mixture because it is composed of two or more __substances_______that keep their original __chemical________properties.
Grass--->Bug---->Bigger Bug-->rodent-->big bird
Which is the primary consumer?
Bug
(first consumer after producer being at the bottom)
Draw this side of the equation:
A2+3B2
A=Solid circle
B=empty circle
See Mr. Lowek's Drawing
Nitrogen from fertilizers is bad for aquatic ecosystems because it increases the growth of ________which blocks the sun from plants for photosynthesis.
algae
Drought is a _________condition that affects competition among consumers which is a _______condition.
Drought is a __abiotic_______condition that affects competition among consumers which is a _biotic______condition.
Boiling of water is a physical change because no new _______is formed and water is just changing ________.
Boiling of water is a physical change because no new _substance______is formed and water is just changing _states_______.
If a cleaner shrimp and an eel both benefit from their relationship, what type of relationship is this?
mutualism
commensalism
parasitism
predator-prey
mutualism
increases
decreases
Decreases
Reason: only 10% of energy gets passed up each part of the food pyramid because animals use up the energy for living
You can tell if a chemical reaction has occured when a ______________forms from two solutions being combined.
precipitate
Nuclear power is a better NR resource than coal, petroleum, or natural gas because it doesn't ________the air.
Pollute
Water, gases, pH, and soil are all __________factors because they are not alive.
Abiotic
sea otters eat sea urchans
(sea urchans-->sea otters)
if sea otters become extinct, sea urchins would become abundant (many of them) because they lost their __________.
predator
It is an element!
Reason: elements are in purest chemical form
A disadvantage of solar panels is that they require __________which has a negative environmental impact while being made.
manufacturing
Group 1:___________reactive
Group 18: __________reactive
Group 1:___most________reactive
Group 18: __least________reactive
Is this chemical equation balanced or not balanced?
2N2+5O2--->2N2O5
Balanced!
4 N 4
10 O 10
In the Carbon Cycle, carbon cycles from a biotic (living) to an abiotic (non-living) part when leaves are broken down during ______________, trees release carbon dioxide into the air during plant ________, and decomposers release_______ _______dioxide into the atmosphere during respiration.
decomposition
respiration
carbon dioxide
Producers like plans and trees are most likely to compete for water and ___________.
sunlight