Modeling Ecosystems and Cycling of Matter

What 2 terms describe Missouri's biome and what does each term refer to?

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

When humans and animals die, phosphorus

• returns to the soil

• evaporates into the atmosphere

• decay and eventually form fossil fuels

• decomposition

Tags

NGSS.MS-LS2-3

The basis for the energy in an ecosystem is provided by

• producers

• consumers

• heterotrophs

• the sun

Tags

NGSS.MS-LS2-3

What is the term for an organism that makes its own source of chemical energy?

• chloroplast

• decomposer

• producer

• protist

Tags

NGSS.MS-LS1-6

Leopard seals eat only meat. What are leopard seals?

• carnivores

• herbivores

• omnivores

Each level in a food chain contains less energy than the one below it because some energy is

• lost as heat

• added to the system

• consumed by carnivores

• incorporated into biomass

From which source do almost all producers obtain their energy?

• sunlight

• herbivores

• decaying matter

• hydrothermal pools

Tags

NGSS.MS-LS1-6

Bacteria are important in the nitrogen cycle because they

• produce sugars that plants can use

• respire, returning carbon dioxide into the atmosphere

• help convert nitrogen into a form that organisms can use

Which process is part of the hydrologic cycle?

• nitrification

• transpiration

• phosphorus

Tags

NGSS.MS-ESS2-4

What do all the biotic and abiotic factors in a given area make up?

• a habitat

• a population

• a community

• ecosystem

Tags

NGSS.MS-LS2-3