Natures Cycles
_______________ is how water moves from the atmosphere to land.
a. Evaporation, b. Precipitation, c. Condensation, d.Transpiration
b. Precipitation
How does energy flow through ecosystems?
a. Consumers → producers → decomposers → the Sun
b. The Sun → consumers → producers → decomposers
c. The Sun → producers → consumers → decomposers
d. Producers → the Sun → decomposers → consumers
c. The Sun → producers → consumers → decomposers
What would happen to a population in a biome that exceeds its carrying capacity?
a. The population would begin to compete with other populations for resources.
b. Organisms within the population would begin to die because of the lack of resources in the biome.
c. Some organisms in the population would begin to migrate to other habitats and/or biomes to find available resources.
d. All of these events would happen if a population in a biome exceeds its carrying capacity.
d. All of these events would happen if a population in a biome exceeds its carrying capacity.
_______________is how carbon moves from dead organisms back to the environment.
a. Photosynthesis b. Respiration
c. Decomposition d. Combustion
c. Decomposition
What type of diagram shows a linear connection between producers, consumers and decomposers?
a. A food chain
b. A food web
c. An energy pyramid
d. The water cycle
a. A food chain
_______________is how water moves from the land to the atmosphere.
a. Evaporation, b. Precipitation, c. Condensation,
d. Transpiration
a. Evaporation
Which two factors are abiotic limiting factors that affect organisms in aquatic biomes?
a. Amount of algae and wide temperature variations
b. Amount of carbon dioxide and variety of producer organisms
c. Amount of moisture and variety of consumer organisms
d. Amount of oxygen and concentration of dissolved salts
d. Amount of oxygen and concentration of dissolved salts
Due to limited nutrients in the soils of tropical rainforests, where do plants receive most of their nutrients?
a. Plants receive an abundance of sunlight to aid in photosynthesis.
b. Ample rainfall provides plants the necessary nutrients to survive
c. The decomposition of large fallen trees provide nutrients for plants to survive
d. A strong root base allows for plants to survive
c. The decomposition of large fallen trees provide nutrients for plants to survive
______________is how carbon moves from living things back to the environment.
a. Photosynthesis b. Respiration
c. Evaporation d. Combustion
b. Respiration
Which part of the plant is not a female part of the plant?
a. Stigma b. Style
c. Ovary d. Filament
d. Filament
_______________is how water vapor becomes liquid again.
a. Evaporation, b. Precipitation, c. Condensation,
d. Transpiration
c. Condensation
Which of the following is an abiotic factor?
a. Sun b. Rain
c. Soil d. All of these are abiotic factors
d. All of these are abiotic factors
Which role of decomposers is important to ecosystems?
a. They make their own food b. They are first in the food chain c. They are at the top of the food chain d. They return nutrients to the soil
d. They return nutrients to the soil
Why do seeds go through a period of dormancy?
a. It allows time for the right conditions to occur before the seed germinates
b. It allows time for dry soil to accumulate before the seed germinates
c. It allows time for sunlight to appear before the seed germinates
d. It allows time for pollination to occur before the seed germinates
a. It allows time for the right conditions to occur before the seed germinates
Because a carrots root cells lack ____________ and normally do not receive light, they can’t perform photosynthesis.
a. Chlorophyll b. Water c. Carbon Dioxide
d. Glucose
a. Chlorophyll
_______________is how carbon moves from the environment into producers.
a. Photosynthesis b. Respiration
c. Decomposition d. Evaporation
a. Photosynthesis
What type of diagram shows the amount of “biomass” available at each energy level in the food chain or food web?
a. A food chain b. A food web
c. An energy pyramid d. The water cycle
c. An energy pyramid
How could deforestation be a limiting factor in a temperate forest biome?
a. Deforestation provides shelter for organisms, allowing populations to increase, b. Deforestation removes valuable shelter for organisms, which decreases populations, c. Deforestation removes valuable shelter for organisms, which increases populations, d. Deforestation provides shelter for organisms, allowing populations to decrease.
b. Deforestation removes valuable shelter for organisms, which decreases populations,
Producers in aquatic biomes are more prevalent in shallow waters. Why is this the case?
a. Limited oxygen levels allow life to flourish at a deeper level b. Sunlight availability decreases with the depth of the water, prohibiting photosynthesis c. Consumers are more prevalent as the depth of the water increases d. None of the above
b. Sunlight availability decreases with the depth of the water, prohibiting photosynthesis
As ice cream melts, its molecules___________.
a. absorb heat energy and move farther apart
b. absorb heat energy and move closer together
c. release heat energy and move farther apart
d. release heat energy and move closer together
a. absorb heat energy and move farther apart
Name the process that allows for bacteria to change nitrogen gas into usable nitrogen for plants.
a. Transpiration b. Nitrogen Fixation
c. Evaporation d. The Water Cycle
b. Nitrogen Fixation
In which situation does the consumer receive the greatest amount of solar energy?
a. A horse feeding on clover b. A frog feeding on dragonflies c. A female mosquito feeding on a human d. A human eating a steak
a. A horse feeding on clover
Which two biomes have the characteristics of extreme temperatures and limited rainfall?
a. Tundra and Temperate Forest, b. Temperate Forest and Tropical Rain Forest, c. Marine and Freshwater, d. Desert and Tundra
d. Desert and Tundra
What other process allows for nitrogen to return to our atmosphere?
a. Respiration b. Photosynthesis
c. The Carbon Cycle d. Decomposition
d. Decomposition
All atoms of the same element have:
a. different properties
b. the same physical properties
c. the same chemical properties
d. the same chemical and physical properties
d. the same chemical and physical properties