Front

What is an ecosystem?

Back

An ecosystem is made up of communities of living organisms (biotic factors) and the abiotic factors (non-living elements) in their environment.

Tags

NGSS.MS-LS2-3

Front

What percentage of energy does an organism lose to the environment?

Back

Organisms lose approximately 90% of energy to the environment.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Front

What is the difference between density-dependent and density-independent factors?

Back

Density-independent factors, like natural disasters, affect populations regardless of their size, while density-dependent factors, like disease, have a greater impact as population density increases.

Front

Where does the energy for biomass come from?

Back

The energy for biomass is generated from ancient plants and animals.

Front

What is a by-product of respiration?

Back

Carbon dioxide is a by-product of respiration.

Front

Define a biome.

Back

A biome is a large geographical biotic unit, a major community of plants and animals with similar life forms and environmental conditions.

Front

What role do producers play in an ecosystem?

Back

Producers, such as plants, convert solar energy into chemical energy through photosynthesis, forming the base of the food chain.

Tags

NGSS.MS-LS1-6

Front

What is the significance of the food chain?

Back

The food chain illustrates the flow of energy and nutrients through different trophic levels in an ecosystem.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Front

What is biodiversity?

Back

Biodiversity refers to the variety of life in a particular habitat or ecosystem, including the number of different species.

Tags

NGSS.MS-LS2-5

Front

What is the carbon cycle?

Back

The carbon cycle is the process by which carbon is exchanged among the atmosphere, land, water, and living organisms.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3