Food web/
green plants that make their own food are called?
What is a producer
This is the number of hydrogen atoms in a water molecule..
what is 2
Define climax community
What is an ecological community in which populations of organisms remain stable and exist in balance with each other and their environment.
when a liquid turns into a gas
what is evaporation
One organism is helped and the other is neither harmed or hurt
What is commensalism
Animals that eat BOTH plants and animals
what is a omnivore
what is the charge on the oxygen atom?
what is negative
Name one disturbance that could cause a primary succession and one that could cause a secondary succession.
what is new life on a rock and what is a forest fire
the return of water to the surface in the form of rain, snow, sleet or hail
what is precipitation
Give an example of a density independent factor.
What is any natural disaster or weather event.
A carnivore that hunts other animals
What is a predator
This property of water allows a pin to float on the surface of water.
what is cohesion/ surface tension
Which one has soil at the beginning?
what is secondary succession
the name of the food that carbon gives plants
what is glucose
As energy goes from the sun to plants to consumers, the amount of energy that is transferred one level to another is _____%.
what is 10%
All green plants (producers) get their energy from the ____
what is the sun
Water molecules tend to "stick" together because of positively and negatively charged "ends" of the molecule. So, we say it is what kind of molecule?
What is a polar molecule
Which one comes from an ecosystem that has not supported life before?
what is primary succession
the evaporation of water from the surface of plant leaves
what is transpiration
Organisms that can generate their own food are also known as producers, or ________________.
What are autotrophs?
A consumer may be a ___________, a __________, or a ___________
What is an omnivore, an herbivore, or a carnivore
This property of water allows water to "climb" up substances.
what is capillary action
this stage includes lichen, moss, bare rock and small grasses
What is pioneer stage (species)
name one place where CO2 in the atmosphere come from?
what is volcanic activity, human activity, cellular respiration and decomposition
This occurs when two niches overlap.
What is competition?