Show:
Once you "Pop" you can't stop
Circular Cycles
Randomizer
Mello-yello Rockstar
Resourced and Recycled
100
Which two factors will increase a population size?
What are birth and immigration?
100
What is the purpose of carbon? A. It can form many molecules on earth B. It serves as a building block for life C. It is commonly found D. All of the above.
What is "D. All of the above?"
100
Which of the following is an abiotic factor? A. The types of rodents in a sewer B. The types of sea lions in an ocean C. The different types of grass on a plain D. The amount of wind in a tunnel
What is "D. The amount of wind in a tunnel"
100
What would be found at the top of an energy pyramid? A. Seaweed B. Hawk C. Mouse D. Gopher
What is B. Hawk
100
If there were no decomposers, which of the following would most likely happen? A. Dead organisms would build on top of each other B. There would be an decrease in nutrient recycling C. Both a and b D. Neither a or b.
What is "C. Both a and b"
200
What is the carrying capacity of the following image? http://www.biologycorner.com/resources/carrying_capacity_deer.gif
What is approximately 80? (give or take 5)
200
Burning of fossil fuels and plants returns carbon to where?
What is the atmosphere?
200
Which of the following matches the definition of an ecosystem? A. All of abiotic factors in an area B. All of the biotic factors in an area C. All of abiotic and biotic factors and their interactions in an area D. All the members of the same species in an area
What is "C. All of abiotic and biotic factors and their interactions in an area"
200
Based on energy it is the worst to be a: A. Carnivore B. Detritivore C. Herbivore D. Omnivore
What is A. Carnivore
200
Why are decomposers important? A. They break down organisms and return the nutrients to the environment B. They acts as a form of population control C. They produce energy D. They make up all of life on earth.
What is "A. They break down organisms and return the nutrients to the environment"
300
Which of the following would decrease a population size? A. Increased mortality and decreased birth B. Increased mortality and increased birth C. Decreased mortality and decreased birth D. Decreased mortality and increased birth
What is "A. Increased mortality and decreased birth"
300
What is the role of nitrogen in an ecosystem? A. Nitrogen provides energy to plants B. Nitrogen stores energy C. Nitrogen provides plants with oxygen D. Nitrogen makes amino acids and nucleic acids
What is "D. Nitrogen makes amino acids and nucleic acids"
300
Which of the following events is most likely to decrease a population size? A. Several mice leave their nest and establish a new nest in another location. B. The death rate within a mouse population increases. C. The mouse population finds a large bag of dog food and they store the dog food near their nest. D. All of these will result in a decreased population size in mice.
What is "D. All of these will result in an decreased population size in mice."
300
Which answer would have the most total biomass? A. Seaweed B. Hawk C. Mouse D. Gopher
What is A. Seaweed
300
What is a niche?
What is the role of an organism in an ecosystem
400
What is happening to this population? http://bit.ly/171XjR5 A. Growing B. Shrinking C. Staying the same D. Not enough info
What is A. Growing
400
How is carbon dioxide brought into living organisms? A. Through photosynthesis B. Through cellular respiration C. Through denitrification D. Through fermentation
What is "A. Through photosynthesis"
400
If 50 kcal exist in the grass, how many kcal are in the mice at their highest trophic level? http://bit.ly/ZyPADP
What is 0.5 kcal
400
Why is biomass so low at upper trophic levels? A. More energy is transferred in higher trophic levels. B. Only a limited amount of energy is transferred from one level to the next. C. Energy amounts remain constant. D. Some trophic levels do not transfer any energy.
What is "B. Only a limited amount of energy is transferred from one level to the next."
400
Invasive species/non-native species have what effect on an ecosystem? A. They have no effect B. Invasive species will take resources from native species C. Invasive species will develop predators in their new environment D. Invasive species will experience population decline.
What is "B. Invasive species will take resources from native species"
500
What is happening to this population? Birth = 7 Death = 9 Immigration= 10 Emigration = 14
What is it is shrinking? (calculate BIDE!)
500
What is the effect on removing a large number of forests from an ecosystem? A. There would be a large increase in CO2 in the atmosphere B. There would be a large increase in O2 in the atmosphere C. There would be a large increase of Glucose in animals D. There would be a large increase in 02 in animals.
What is "A. There would be a large increase in CO2 in the atmosphere"
500
If 100 kcal exist in the quail, how many kcal are in the mice at their highest trophic level? http://bit.ly/ZyPADP
What is 10 kcal?
500
If 50 kcal exist in the grass, how many kcal are in the weasels in their highest trophic level? http://bit.ly/ZyPADP
What is 0.05 kcal?
500
Which of the following would represent ecological succession after a flood? A. Mosses, Tress, Shrubs, Grasses B. Trees, Mosses, Grasses, Shrubs C. Mosses, Grasses, Shrubs, Trees D. Shrubs, Trees, Grasses, Mosses
What is "C. Mosses, Grasses, Shrubs, Trees"