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Quiz on Ecosystems Quiz, created by nuri.amari99 on 25/01/2014.
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academic grade 9
, updated more than 1 year ago
almost 10 years ago
The solid part of the Earth's surface is called?
Oxygen is required by almost all organisms for the process of ____ and is a by-product of ______.
Photosynthesis, Cellular Respiration
Cellular Respiration, Photosynthesis
The ______ refers to all water on earth in solid, liquid and gaseous forms.
An ecosystem is _____ if it can function for long periods of time.
The number of animals from a certain specie a ecosystem can support for long periods of time is called the __________ of this ecosystem.
A ________ ecosystem is another term for a salty ocean ecosystem.
Most of the light that reaches the earth's surface is absorbed by the ________ and the _________. The radiant energy from the sun is then converted into ______ energy.
lithosphere, hydrosphere, thermal
biosphere, lithosphere, electric
A very small fraction of the light that reaches the earth's surface is absorbed by living organisms through a process called _______,
Why are decomposers important in the carbon and nitrogen cycles? What purpose to the serve?
They break apart dead plants and animals and allow the nutrients in them to be released back into the soil.
They maintain a health amount of nutrients in plants and animals and release the rest into the atmosphere.
What are the reactants needed for photosynthesis?
Carbon Dioxide (CO2) and Water (H20)
Water (H20) and Oxygen (02)
What are the reactants necessary for cellular respiration?
Glucose or sugar (C6 H12 06) and Oxygen (02)
Sugar (C6 H12 06) and Water (H20)
What are the product of photosynthesis?
Glucose (C6 H12 O6) and Oxygen (O2)
Water (H20) and Carbon Dioxide (CO2)
What are the products of cellular respiration?
Carbon Dioxide (CO2) and Water (H2O)
Hydrogen (H) and Oxygen (O)
In which of the following organism does both photosynthesis and cellular respiration occur?
All of the above
Cellular respiration occurs in all organisms.
Light is needed for which of the following processes.
All of the above
Energy is released in which of the following processes?
Energy is needed for both photosynthesis and cellular respiration.
Only producers require sunlight. All other organisms would be fine without organisms.
What is a trophic level?
A group of animals all from the same specie.
A group of animals that acquire their energy in the same fashion.
A consumer than only eats meat.
Out of the list of organisms bellow, select the organisms that are producers.
Name the four biomes in Canada
Arctic, Desert, Forest, Marsh
Deciduous Forest, Grasslands, Tundra, Boreal Forest
In what biome do do nutrient cycles occur that fastest.
Temperate Deciduous Forest
Ecosystem ______ refers to the many benefits that we receive from ecosystems.
The changes following a destructive event such as a forest fire are part of ___________.
________ occurs when a single large continuous large habitat is split into smaller pieces.
When an animal is unnaturally introduced into a habitat and is out performing the local animals it becomes _______.
What are the five stages of danger for species to be in interns of survival?
Special Concern, Threatened, Endangered, Extirpated & Extinct
Special Concern, Threatened, Endangered, Extirpated & Dead
Which of the following is a cultural ecosystem product or ecosystem service?
Wood and Paper Products
What are the three methods used to control invasive species?
Mechanical Control, Chemical Control, Biological Control
Hunting, Pesticides, Introduction of Species
An unwanted organisms is called a ______.
Manure and ground up bone meal would be considered _______ fertilizers.
Toxins that kill plants, insects and other rodents are called ______.
Some pesticides build up or ________ in living organisms.
_______ pesticides only kill a limited variety of organisms
Narrow scope pesticides
Wide scope pesticides
A ________ is a group of animals that belong to the same specie.
A ________ ecosystem is one that is designed by humans.
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