food web assignment grade 9

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Ninth Grade (Grade 9) Food Chains and Webs Questions

You can create printable tests and worksheets from these Grade 9 Food Chains and Webs questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

• biomass pyramid.
• ecological pyramid.
• energy pyramid.
• trophic level.
• heterotrophs
• feeding level
• energy pyramid
• dispersion.
• decomposers
• Ecosystems are easily understood.
• Ecosystems are complex with many interlocking parts.
• Ecosystems are not affected by human activity.
• Ecosystems never adapt or change to new factors.
• trophic level
• benthic zone
• It is an organism that makes its own food.
• It is an organism that eats other organisms.
• It is an organism that eats decaying matter.
• None of the above.
• heterotroph
• photosynthesizer
• any organism
• any organism that obtains energy
• any organism that obtains energy from other life forms
• any organism that produces its own food
• meat and plants
• decomposing organic matter
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Gr 9 Food web pyramid wrkst

High school - canada, ncdsb access center secondary school - timmins-on.

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Food chains and webs --- "what's for dinner", every organism needs to obtain energy in order to live. for, example, plants get energy from the sun, some animals eat plants, and, some animals eat other animals., a food chain is the sequence of who eats whom in a biological, community (an ecosystem) to obtain nutrition. a food chain starts with, the primary energy source, usually the sun or boiling-hot deep sea, vents. the next link in the chain is an organism that makes its own, food from the primary energy source -- an example is photosynthetic, plants that make their own food from sunlight (using a process called, photosynthesis) and chemosynthetic bacteria that make their food, energy from chemicals in hydrothermal vents. these are called, autotrophs or primary producers., next come organisms that eat the autotrophs; these organisms, are called herbivores or primary consumers -- an example is a rabbit, that eats grass. the next link in the chain is animals that eat, herbivore - these are called secondary consumers -- an example is a, snake that eats rabbits. in turn, these animals are eaten by larger, predators -- an example is an owl that eats snakes. the tertiary, consumers are eaten by quaternary consumers -- an example is a hawk, that eats owls. each food chain ends with a top predator and animal, with no natural enemies (like an alligator, hawk, or polar bear)., food chain questions, 1. what travels through a food chain or web, 2. what is the ultimate energy for all life on earth, 3. food chains start with what, 4. the 1st organism in a food chain must always be what type of organism, 5. name 2 food making processes., 6. where do chemosynthetic bacteria get their energy, 7. define herbivore., 8. herbivores are also called _________________________., 9. what are animals called that feed on herbivores, 10. secondary consumers are eaten by larger ________________., 11. _________________ consumers eat secondary consumers., 12. make a food chain with a producer and 3 consumers., functioning as a primary consumer. when a bear eats a plant-eating, rodent, the bear is functioning as a secondary consumer. when the, bear eats salmon, the bear is functioning as a tertiary consumer (this, is because salmon is a secondary consumer, since salmon eat herring, that eat zooplankton that eat phytoplankton, that make their own, energy from sunlight). think about how people's place in the food, chain varies - often within a single meal, food web questions, 1. what is used to indicate the flow of energy in a food chain or web, 2. what happens to energy as we move from step to step in a chain or web, 3. define food web., 4. what is meant by trophic levels, 5. define autotroph., 6. the 1st trophic level consists of _______________ consumers called, _________________., 7. name the 2nd trophic level (both names)., 8. secondary consumers may be _______________ eating meat or, _______________ that eat both plants and animals., 9. what is the 3rd trophic level called, 10. what is the 4th trophic level called, 11. at the 5th trophic level would be _____________ consumers that eat, _____________ consumers., 12. give an example of 3 detrivores. on what do they feed, 13. what organism feeds on dead plants and animals and helps recycle them, 14. both ______________ and ______________act as decomposers, 15. can an organism fill more than one trophic level --- yes or no give an, numbers of organisms:, in any food web, energy is lost each time one organism eats, another. because of this, there have to be many more plants than, there are plant-eaters. there are more autotrophs than, heterotrophs, and more plant-eaters than meat-eaters. each level has, about 10% less energy available to it because some of the energy is, lost as heat at each level. although there is intense competition, between animals, there is also interdependence. when one species, goes extinct, it can affect an entire chain of other species and have, unpredictable consequences., 1. in food chains and webs, what trophic level must you have more of than, 2. each trophic level has how much less energy, 3. what may happen if a species goes extinct, food chain worksheet, read the passage then answer the questions below., food web worksheet, food chain quiz #2 - multiple choice comprehension questions, color the circle by each correct answer., match each food chain word to its definition..

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Subject : Science

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A plant is an example of a...

Heterotroph

Detritivore

A plant is an example of both a...

Producer and autotroph

Producer and heterotroph

Consumer and autotroph

Consumer and heterotroph

A lion is an example of both a...

A heterotroph is an animal that....

Consumers decaying animal and plant matter for energy

Makes its own energy from inorganic sources

Has a relationship with another organisms that benefits both organisms

Needs to consume other organisms for its energy

A autotroph is an animal that....

Makes its own energy from inorganic sources (like sunlight)

In this food chain the plant is the...

Primary consumer

Secondary consumer

Tertiary consumer

In this food chain the mouse is the...

In this food chain the snake is the...

In this food chain the hawk is the...

The producer get its energy from...

inorganic sources like sunlight and chemicals

consuming other producers

consuming the primary consumers

consuming the secondary producers

The primary consumer get its energy from...

consuming the secondary consumers

consuming the tertiary consumers

consuming the producers

consuming other primary consumers

The secondary consumer get its energy from...

The tertiary consumer get its energy from...

Which organism is the producer

Which two organisms are primary consumers

Lion and the owl

Mouse and the goat

The snake only

Goat and the green plan

Which two organisms are secondary consumers

Jackal and the owl

The wild cat and the goat

Which two organisms are tertiary consumers

Jackal and the mouse

The goat only

Kito and the lion

Which organism is in the first trophic level

The mule deer

Which organism is in the second trophic level

The moutain lion

The western whiptail (lizard)

The pacific tree frog

Which organism is in the third trophic level

The black tipped jackrabbit

Douglas' squirrel

The mountain lion

The ringtail (possum)

In which trophic level would you expect to find the most energy?

Trophic level 1

Trophic level 2

Trophic level 3

Trophic level 4

A detritivore is an animal that....

Which of the following shows the amount of energy in each trophic level?

Biomass pyramid

Energy pyramid

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