Unit 3 - Biosphere

Front

Which interaction of a biotic and an abiotic factor can help stabilize a forest area in North Carolina? Options: increased precipitation, reducing soil erosion in the area, increased decaying organic material, adding nutrients to soil in the area, decreased water salinity, reducing biodiversity of animals in the area, decreased number of predators, allowing the number of prey to increase in the area

Back

increased decaying organic material, adding nutrients to soil in the area

Front

What can scientists infer from a pattern of narrow tree rings over several consecutive years?

Back

A period of drought or lower than average rainfall

Front

Which foods are derived from organisms that occupy the level that contains the greatest amount of energy in a biomass pyramid? Options: shrimp and rice, chicken and lettuce, bread and tomatoes, hamburger and french fries

Back

bread and tomatoes

Front

The red dots in the image below represent the concentration of Mercury in parts per million (ppm). This image is a representation of which concept?

Back

Biomagnification

Front

Which statement is best supported by the diagram below of the carbon-oxygen cycle?

Back

Producers generate oxygen and utilize carbon dioxide.

Front

Based on the characteristics of organisms: trout = carnivorous fish, minnow = herbivorous fish, algae = producers, osprey = large carnivorous birds, bacteria = decomposers, which food chain is most probable?

Back

algae ---> minnow ---> trout ---> osprey ---> bacteria

Front

What does the image represent in terms of ecological processes? Options: The life cycle of a plant, The seasonal changes in a forest, The stages of primary succession, The stages of secondary succession

Back

The stages of primary succession

Front

At which level of the food pyramid is the smallest percentage of total stored energy found?

Back

D

Front

Which set includes BOTH biotic and abiotic elements of an estuary? cordgrass, water salinity, great blue herons, ospreys, oysters, black needle rush, silt, air temperature, tidal pattern, periwinkles, bats, egrets

Back

cordgrass, water salinity, great blue herons

Front

Which statements describe adaptations to biotic factors in a plant’s desert biome?

Back

1 and 2