Vocabulary
A hierarchical series of organisms each dependent on the previous source for food
Food web
Name the process used by some organisms to create their own food? What is this organism called in a food chain?
Photosynthesis; Producer
An animal eats another animal. What is form of energy transfer is this?
Physical energy to chemical energy.
What is the byproduct of photosynthesis?
Glucose (C6H12O6)
Define herbivore, carnivore and omnivore.
A system of interlocking and interdependent food chains.
Food web
There is another word to refer to producers in energy transfer, what is it?
Autotroph
Chemical energy to mechanical energy
What cellular component is necessary for photosynthesis to occur?
Chloroplast. Chlorophyll is the pigment found in these organisms.
Fungi, fly's, maggots, snails. All these are examples of what?
Decomposers.
Graphical representation showing the flow of energy at each trophic level in an ecosystem.
If a consumer has eaten a producer directly, which consumer is it? Primary, secondary,or tertiary?
Primary consumer
What do the arrows represent in the food chain/ web?
Transfer of energy.
What molecules are necessary for photosynthesis?
CO2 and H2O
Define Geotropism and hydrotropism.
Geotropism- Growth of the parts of plants with respect to gravity. Some parts of the plants grow upward, some grow downward.
Hydrotropism- The growth of plants roots toward or away from moisture.
What are the levels within a food pyramid referred as?
Trophic levels
The animal at the top of its food chain is the _____?
Apex predator.
Why is only 10% of energy passed to the consumer?
Explain how the molecules involved in photosynthesis interact the create the O as a waste product.
photosynthesis causes the water molecules to split. separating the H and the O atoms. O is released into the atmosphere. H combines with CO2 to make the plants food source.
Define phototropism, both negative and positive, and define Thigmotropism.
Phototropism- The orientation of a plant or other organism in response to light. Grow towards the light is positive phototropism. Growth away from the light is negative phototropism.
Thigmotropism- The turning or bending of a plant or other organism in response to a touch stimulus.
Hypertonic, hypotonic, and isotonic.
Hyper- Extracellular fluid had a higher solute concentration than the inside of the cell. Water will move out of the cell to the region with higher solute concentration. Cell shrinks in response.
Hypo- Extracellular fluid has lower solute concentration than the fluid inside the cell, so water will flow into the cell. Cell expands in response.
Isotonic- Equal solute concentrations inside and outside the cell.
What is a niche?
The position or role a species has in an ecosystem.
What is radiant energy?
The energy of electromagnetic waves.
What kind of a relationship do we have with plants?
Mutualistic. A symbiotic relationship where both species are benefited.
Which of these organisms is responsible for turning radiant energy into chemical energy?
Grass-> Prairie dog -> Coyote -> Soil Bacterium
Grass