Which variable is purposely changed by the scientist.
What is test variable
100
Why might scientific theories change?
What is when new evidence becomes available
100
This helps a plant absorb energy from the sun
What is chloprophyll
100
What is the source of carbon in tree trunks?
What is the carbon dioxide from the atmosphere
100
What limiting factor may have contributed to the endangerment of the Florida Panther?
What is habitat loss
200
The variable that is changed as a result of the test variable.
What is the outcome variable.
200
Scientific Theories are supported by ________.
What is Scientific Evidence
200
This will cause an increase of carbon dioxide in the atmosphere.
What is an extinction of all plants
200
When a cow is eating organic molecules (grass), how is it contributing the carbon cycle?
What is through the process of cellular respiration, breathing out carbon dioxide and breathing in oxygen
200
A symbiotic relationship where both organisms are benefiting.
What is mutualism
300
If a researcher increases the amount of light for an Elodea plant, then it will produce more oxygen bubbles. The light is the _______ variable.
What is test variable
300
The reason the Darwin's Theory of Evolution is still considered to be valid?
What is the fact that evidence still supports his theory today.
300
A decomposer found in an ecosystem that could help break down organic compounds.
What are worms, bacteria or fungi.
300
How is carbon dioxide changed by living things?
What is through the process of photosynthesis, taking out carbon dioxide from the atmosphere and giving off oxygen.
300
A symbiotic relationship where one organism is benefiting and the other is not harmed or benefiting.
What is commensalism
400
If the researcher increases the amount of light for an Elodea plant, then it will produce more oxygen bubbles. The oxygen production is the _______ variable.
What is outcome variable
400
Scientists were able to find fossil records and compare ________ with animals alive today.
What are skeletons.
400
This type of organism makes its own food through the process of photosynthesis.
What are producers
400
What is the cellular process that takes place in an animal cell to help generate energy?
What is cellular respiration
400
What factor may contribute to the exponential growth of rabbits in an ecosystem
What is an abundance of food, lack of predators, or viable mates.
500
After observing the ecosystem in Shingle Creek, you notice that there is an abundance of brown mice and less white mice. What can you conclude
What is that the brown mice are better adapted for the environment
500
The most important concern for a patient seeking a new medical treatment.
What is the scientific data that proves the treatment works.
500
This organism breaks down organic matter and returns organic compounds back to the Earth to be used by plants.
What are decomposers
500
The organelle where cellular respiration takes place in an animal cell with the intake of oxygen and glucose (sugar).
What is the mitochondria
500
The modern horse is so wide spread it can be found on nearly every continent, but why does it not appear in the fossil record until about 3 million years ago.