Ecology and Cycles

Name the process where nitrogen from the air is put into a form that plants can use?

• nitrification

• denitrification

• nitrogen saturation

• nitrogen fixation

Tags

NGSS.MS-LS1-5

Which of the following processes is part of the carbon cycle?

• Decomposers put carbon into the soil by breaking down organic material.

• Factories remove carbon from the atmosphere by burning materials.

• Plants put carbon back into the atmosphere through the process of photosynthesis.

• Animals remove carbon from the atmosphere through the process of respiration.

Tags

NGSS.MS-LS2-3

Which process in the water cycle would be accelerated by an increase in the temperature?

• runoff

• evaporation

• precipitation

• condensation

Tags

NGSS.MS-ESS2-4

What types of organisms take in CO2 and give off O2?

• bacteria

• producers

• primary consumers

• secondary consumers

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

How does an ecosystem benefit when leaves fall from a tree and decompose on the soil?

• Nutrients are released into the soil.

• Soil erosion decreases.

• Carbon dioxide is absorbed by the soil.

• Soil temperature decreases.

Tags

NGSS.MS-LS2-3

Which of these best describes a biome?

• Large ecosystems that have distinctive organisms and a particular climate.

• A group of individuals of the same species that live together in the same area?

• A system made up of parts that work together.

• External conditions that affect an organism.

Which are two abiotic factors that affect the survival of the aquatic organisms?

• phytoplankton and lilies

• water quality and sunlight

• grasses and duck

• turtles and deer

Tags

NGSS.MS-LS2-3

Biomes include both biotic and abiotic elements. Which set includes both abiotic and biotic elements of an estuary?

• cordgrass, water salinity, great blue herons

• ospreys, oysters, black needle rush

• silt, temperature, tidal pattern

• periwinkles, bats, egrets

Tags

NGSS.MS-LS2-3

Which environmental factor will cause a plant shoot to grow in a direction other than straight up?

• temperature

• amount of top soil

• amount of water

• location of the light

Tags

NGSS.MS-LS1-5

What is a structural adaptation of a penguin?

• having oily feathers

• selecting a mate for life

• living in a large community

• swallowing a stone before diving