All of the organisms that live in a place, together with their physical environment is known as what?
What is an ecosystem?
100
Give two examples of a primary producer.
What is vegetation, algae, or chemosynthetic bacteria?
100
What is another name for a consumer?
What is a heterotroph?
100
Which is a better representation of the feeding relationships in an ecosystem?
What is a food web?
100
What is the difference between an abiotic and biotic factor?
What is abiotic factors are not living and biotic factors are living?
200
An assemblage of different populations that live together in a defined area is called a?
What is a community?
200
What is another name for a primary producer?
What is an autotroph?
200
Animals whose diets naturally include a variety of different foods that usually include both plants and animals are called?
What is an omnivore?
200
Primary producers which include floating algae are called?
What is phytoplankton?
200
Bacteria is a/an abiotic or biotic factor?
What is biotic?
300
A herd of moose, colony of beavers, pond, water weeds, silt, and fish would make up which level of organization?
What is an ecosystem?
300
Where does the energy come from to power photosynthesis and chemosynthesis?
What is the sun and chemical energy, respectively?
300
A coyote consumes the carcasses of dead animals when available and also kills and eats small rodents. What consumer categories does the coyote fall into?
What are scavengers and carnivores?
300
A diverse group of small, swimming animals.
What is zooplankton?
300
What does it mean when we say that consumers "indirectly" get their energy from the sun?
What is consumers eat primary producers that depend on sunlight for energy or consumers eat other consumers, etc., etc., etc., that at one point consumed a primary producer which got its energy from the sun?
400
In order, list the six levels of organization from smallest to largest.
What is species, population, community, ecosystem, biome, and biosphere?
400
Where are primary producers located in every food chain or food web and what is their role in them?
What is at the very beginning and all life depends directly or indirectly on primary consumers for their food and energy needs?
400
This type of consumer makes detritus, small pieces of dead and decaying plant and animal remains.
What is a decomposer?
400
Provide an example of a food chain at least four (4) steps in length.
What is answers will vary?
400
If whitetail deer hunting was banned from Pennsylvania, what might be an effect you would see in a food web that included whitetail deer?
What is the deer population would increase and many species of primary producers would be effected in the fact that their population numbers would decline due to over-grazing or over-browsing?
500
Place the following in the correct level of organization:
1. Zebras and wildebeest herds
2. African Savannah which has a warm, dry climate
3. An acacia tree
4. A colony of bacteria
What is 1-community, 2-biome, 3-species, 4-population?
500
What occurs during the process of photosynthesis?
What is sunlight is used as an energy source to make energy-rich sugars and oxygen?
500
Give an example of an animal that falls within each of the six consumer categories - carnivores, herbivores, scavengers, omnivores, decomposers, and detritivores.
What is answers will vary?
500
Describe the role of decomposers and detritivores in a food web. In your answer, tell what decomposers release into the environment and who this benefits.
What is decomposers make detritus for detritivores to consume and in the process release nutrients into the soil to fertilize the primary producers?
500
The scientific study of interactions among organisms and between organisms and their physical environment is called?