Unit Apes

Which of the following major reservoirs of carbon, stores in the form of carbon dioxide, is not represented in this diagram?

• algae

• soil bacteria

• the moon

• the ocean

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Based on this diagram, which of the following processes reduces the amount of carbon dioxide in the atmosphere?

• Photosynthesis

• Cellular respiration

• Decomposition

• Burning of fossil fuels

Tags

NGSS.MS-LS1-6

Based on the diagram, which process most directly results in the storage of carbon as coal and oil over millions of years?

• Photosynthesis

• Cellular Respiration

• Decomposition

• Burning of fossil fuels

Tags

NGSS.MS-LS2-3

Five different species of warblers, seed-eating birds, live in the same species of conifer trees. All of the birds migrate to coniferous forests during the summer, and different species reside in different areas in the same tree. They feed on the seeds of the conifer trees, but the different species do not mate with each other.

Which of the following best explains why the different warbler species can all have habitats in the same conifer trees?

• Not all the warblers are residents in the forest at the same time of the year because of different migration patterns.

• Physiological differences in beak structure allow the warblers to consume different species of seeds through symbiotic relationships.

• Resource partitioning of the seeds reduces competition, and the five different species can live in the same tree.

• Niche overlap occurs between the five different species, and living in the same tree increases competition for seeds.

Tags

NGSS.MS-LS2-2

In a fish species, the number of eggs that hatch and survive for one year varies depending on the number of eggs that were produced. As the number of eggs produced increases past a threshold number, the survival rate of the offspring decreases. Which of the following statements best explains why only a limited number of offspring can survive in a fish population?

• Resource partitioning allows similar species to coexist in the same ecological community.

• The number of fish surviving after one year is proportional to the number of eggs produced.

• The chance of survival decreases when there is intraspecific competition for resources among surviving yearlings.

• More yearling fish survive beyond one year when there is an abundance of prey species present.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which of the following best describes a symbiotic relationship?

• Striped bass and bluefish eat the same variety of mackerel.

• Intestinal bacteria inhabit the gut of humans.

• Mountain lions feed on white-tailed deer.

• Marsupial animals carry their young in a pouch.

This biome is characterized by long dry seasons and is dominated by grasses, shrubs, and grazing animals.

• Savanna

• Boreal forest

• Tropical rain forest

• Desert

This biome contains plants that are adapted to prevent water loss due to the low average rainfall and high temperatures year-round.

• Savanna

• Boreal forest

• Tropical rain forest

• Desert

This biome is warm and wet, with little seasonal variation in temperature and frequent precipitation.

• Savanna

• Boreal forest

• Tropical rain forest

• Desert

Tags

NGSS.MS-ESS2-4

Which of the following statements is true of aquatic biomes?

• Freshwater and marine biomes are evenly distributed on Earth.

• Freshwater biomes are a vital source of drinking water.

• Freshwater biomes supply a greater portion of Earth’s oxygen than marine biomes.

• Marine biomes include streams, rivers, ponds, and lakes.

Tags

NGSS.MS-LS2-2