Which of the following terrestrial biomes is mostly made up of coniferous evergreen trees that can tolerate cold winters and short growing seasons, and is located in northern Europe, Russia, and North America?
a. Tundra
b. Desert
c. Taiga/Boreal Forest
d. Tropical rainforest
What is c. Taiga/Boreal Forest?
Which biogeochemical cycle depends on bacteria to make the nutrient usable by plants?
a. Carbon Cycle
b. Nitrogen Cycle
c. Phosphorus Cycle
d. Hydrologic Cycle
What is b. Nitrogen Cycle?
Which of the following best describes what is represented by the arrows in the food web?
a. The photosynthetic rates of producers
b. The flow of energy
c. The movement of predators
d. The decomposition of matter
What is b. the flow of energy?
What percentage of biomass is conserved at each trophic level?
a. 10%
b. 100%
c. 90%
d. 50%
What is a. 10%?
A symbiotic relationship between two living organisms in which one organism benefits and the other is neither harmed nor helped is known as.....
a. Commensalism
b. Predation
c. Parasitism
d. Mutualism
What is a. Commensalism?
Which biome is characterized by the presence of permafrost?
a. temperate rainforest
b. Tundra
c. Boreal forest
d. Grassland
What is b. Tundra?
Which biogeochemical process is most impacted by burning fossil fuels?
a. Nitrogen Cycle
b. Phosphorus Cycle
c. Carbon Cycle
d. Hydrologic Cycle
What is c. Carbon Cycle?
The total rate of photosynthesis in a given area.
a. Primary productivity
b. Gross primary productivity
c. Net primary productivity
d. Cellular respiration
What is b. gross primary productivity?
Which trophic level has the least available energy in kilojoules in this food web?
a. phytoplankton
b. Herbivorous zooplankton
c. Baleen whale
d. Killer whale
What is d. Killer Whale?
A tapeworm lives in the small intestines where it feeds and grows, robbing the human of essential nutrients. This is a _____ type of relationship.
a. Mutualism
b. Commensalism
c. Parasitism
d. Symbiotic
What is c. Parasitism?
This biome is warm and wet, with little seasonal variation in temperature and frequent precipitation.
a. Savanna
b. Boreal forest
c. Tropical rain forest
d. Desert
What is c. Tropical rain forest?
Which of the following biogeochemical processes has no atmospheric component?
a. Nitrogen Cycle
b. Phosphorus Cycle
c. Carbon Cycle
d. Hydrologic Cycle
What is b. Phosphorus Cycle?
What is an organism that breaks down & absorbs dead matter so nutrition can be recycled into the soil?
a. Consumer
b. Producer
c. Decomposer
d. Scavenger
What is c. Decomposer?
The energy available to consumers determined by subtracting the energy used by plants from the total energy transformed by the process of photosynthesis?
a. primary productivity
b. Gross primary productivity
c. Net primary productivity
d. cellular respiration
What is c. Net primary productivity?
The crocodile and bird have a _______________ relationship. The crocodile benefits by having its teeth cleaned. The bird benefits by gaining food and protection. Both animals benefit from this relationship.
a. Mutualism
b. Commensalism
c. Parasitism
d. Predator
What is a. Mutualism?
Which of the following terrestrial biomes has the highest net primary productivity?
a. desert
b. tropical rain forest
c. Taiga
d. Savanna
What is b. Tropical Rain Forest?
Which biogeochemical cycle requires solar energy to move components from the earth into the atmosphere?
a. Carbon Cycle
b. Nitrogen Cycle
c. Phosphorous Cycle
d. Hydrologic Cycle
What is d. Hydrologic Cycle?
What may happen if the snowshoe hare was removed from the food web pictured?
a. The shrew population would decrease due to being only hawk food source.
b. The insects in the habitat would increase.
c. The willow tree population would decrease.
d. Foxes would dies due to no food source.
What is a. The shrew population would decrease due to being only hawk food source?
The net annual primary productivity of a particular wetland ecosystem is found to be 8,000 kcal/m2 . If respiration by the aquatic producers is 12,000 kcal/m2 per year, what is the gross annual primary productivity for this ecosystem, in kcal/m2 per year?
GPP - RESPIRATION = NPP
What is 20,000 kcal/m2?
Which is the correct order of ecological levels from basic to complex?
a. Individual, population, ecosystem, biosphere, community
b. Individual, population, community, ecosystem, biosphere
c. individual, community, ecosystem, population, biosphere
d. Ecosystem, biosphere, community, population, individual
What is b. Individual, population, community, ecosystem, biosphere?
In which biome would you expect to find an area with an average temperature of 10oC and 200 cm of precipitation annually?
What is temperate rainforest?
Which of the following major reservoirs of carbon, stores in the form of carbon dioxide, is not represented in this diagram?
a. algae
b. soil bacteria
c. the moon
d. the ocean
What is d. the ocean?
Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?
a. There would be a decrease in the small bird population.
b. There would be a decrease in the mice population.
c. There would be a decrease in the grass/flowers population.
d. There would be an increase in the grass/flowers population.
What is c. There would be a decrease in the grass/flowers population?
Based on the second law of thermodynamics, how much biomass of phytoplankton would be needed to produce 1 kg of large fish in this food web?
a. 1 g
b. 10 g
c. 100 kg
d. 1,000 kg
What is d. 1,000 kg?
In a reef ecosystem, coral often have microalgae living inside them. The algae supply the corals with nutrients, and the coral give shelter to the algae. Which of the following interactions best describes the relationship between the corals and the algae?
a. Competition
b. Predation
c. Mutualism
d. Parasitism
What is c. Mutualism?