An organism that gets its nutrients and energy from other organisms
100
What is the food web?
A food web is a system of interlocking and interdependent food chains.
100
What is an omnivore? What is a producer?
An omnivore is an animal or person that eats food of both plant and animal origin. A producer is a plant; producers use the energy from the sun to make their own food
100
Which of the following is not required for a plant to begin photosynthesis?
Sugar
Carbon Dioxide
sunlight
water
Sugar is not required for photosynthesis to take place
200
What is a biotic factor?
A factor in an ecosystem that is living
200
What is a decomposer?
A living organism that breaks down dead organisms into smaller parts that can be reused by other living organisms
200
What is an herbivore?
An herbivore is an animal that feeds on plants
200
What is population? Respiration?
Population is a community of animals, plants, or humans among whose members interbreeding occurs. Respiration is the action of breathing
200
Owls and falcons feed on mice that live on grass seeds. Which of the following on question 4 from page 72 of Buckle Down NJ ASK Science 8.
There are two predators, one herbivore, and one producer
300
What is the carbon cycle?
The Carbon cycle is the process by which the element carbon moves through the Earth system
300
What is decomposition?
Decomposition is the state or process of rotting; decay
300
What is lake succession?
Lake succession is the process of a lake gradually filling up with sediment
300
What is photosynthesis?
Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.
300
Refer to question 5 on page 72 of Buckle Down NJ ASK Science 8. Which of the following is an example of an abiotic factor affecting a biotic factor?
Runoff caries nitrogen compounds into a lake, causing algae to grow.
400
What is a carnivore?
An animal that eats other animals
400
What is ecology?
Ecology is the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
400
What is the nitrogen cycle?
The nitrogen cycle is the series of processes by which nitrogen and its compounds are interconverted in the environment and in living organisms, including nitrogen fixation and decomposition
400
Refer to the chart on page 71 of Buckle Down NJ ASK Science 8. Which of the following would most likely happen if the wolves were to disappear from this food web?
The raccoon population would increase
400
Refer to question 6 on page 72 of Buckle Down NJ ASK Science 8. Which of the following orders the organisms from producer to highest-level consumer?
Grass>mouse>hawk>human
500
What is community?
All of the species living in a particular area
500
What is an ecosystem?
An ecosystem is a biological community of interacting organisms and their physical environment
500
What is old field succession?
Old field succession is the process of grassland gradually giving way to trees
500
Which of the following is NOT involved in the nitrogen cycle?
Volcanoes
bacteria
legumes
planets
Volcanoes are not involved in the nitrogen cycle
500
Describe one difference between how matter moves through an ecosystem and how energy moves through an ecosysytem
Energy moves in levels from producer to top carnivore. Matter moves through an ecosystem in cycles