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Vocab
Vocab
Vocab
Vocab
NJ ASK
100
abiotic factor
a nonliving factor in an ecosystem ex:light, water
100
consumer
a living organism that that eats other living organisms for its food needs
100
food web
the food relationships among various organisms in an ecosystems
100
omnivore
an animal that eats plants and animals
100
1. Which of the following would most likely happen if the wolves were to disappear from this food web (see page 71) a. the grass population would increase b. the raccoon population would increase c. the grasshopper population would die off d. the shrub population would die off
b
200
biotic factor
a factor in an ecosystem that is living ex:plants and animals
200
decomposer
a living organism that breaks down dead organisms into smaller parts that can be reused by other living organisms
200
herbivore
an animal that eats plants
200
photosynthesis
the chloroplasts in a plant's leaves bind the sun's energy together to make food molecules
200
2. which of the following is not involved in the nitrogen cycle? a. volcanoes b. bacteria c. legumes d. plants
a
300
carbon cycle
the process by which the element carbon moves through the Earth system
300
decomposition
the process by which dead organisms breaks down into smaller parts that can be reused by other living organisms
300
lake sucession
a lake gradually fills up with sediment
300
population
a group of the same species that live in one area
300
3. which of the following isn't needed to begin photosynthesis? a.sugar b. c02 c. sunlight d. water
a
400
carnivore
an animal that eats other animals
400
ecology
the study of natural environment systems
400
nitrogen cycle
special bacteria living underground take atmospheric nitrogen and put it into nitrogen cycles, such as ammonia
400
producer
a plant;producers use energy from the sun to make their own food
400
4. great horned owls and prairie falcons eat field mice that live on grass seeds. Which explains the relationship? a. 3 predators, 1 consumer b. 3 predators, 1 producer c. mice and grasses are producers for the 2 consumers d. 2 predators, 1 herbivores, 1 producer
d. 2 predators, 1 herbivores, 1 producer
500
community
all of the species living in a particular area
500
ecosystem
the living an nonliving things in an ecosystem interacting and existing
500
old-field sucession
a grassland gradually gives way to trees
500
respiration
the chemical process by which an organism gets its energy from food
500
5. Which of the following is an example of an abiotic factor affecting a biotic factor? a. bacteria decomposes leaf litter in a stream, releasing, carbon dioxide b. volcanic eruptions spew ash and dust into the atmosphere c.runoff carries nitrogen compounds into a lake, causing algae to grow d. aquatic grasses provide energy to a muskrat 6. order the organisms from producer to highest-level consumer grass, hawk, human, mouse 7. describe a difference between how matter moves through an ecosystem and how energy moves through an ecosystem
5. d. aquatic grasses provide energy to a muskrat 6. a. grass, hawk, mouse, human 7. matter is consumed whole and energy gradually decreases through the ecosystem, starting with the sun