the biosphere

The biosphere may be best described as

• any non- living part of the environment

• group of different populations that live together in a defined area

• group of ecosystems that share similar climates and types of organisms

• an area on earth in which life exits

Which of these examples could be correctly identified as biotic factors

• Animals, Plants, pH

• Bacteria, Animals, Mushrooms

• Bacteria, Animals, Humidity

• Temperature, Acidity, Precipitation

Which of the following is a compound used in chemosynthesis

• Hydrogen chloride

• Hydrogen peroxide

• Hydrogen sulfide

• Hydrogen oxide

When a scientist enters an area from time to time to count the population numbers of a certain species. What is the scientific process he is using?

• Experimenting

• Observing

• Modeling

• Questioning

All the organisms of one species living in one area are known as a (n)

• community

• population

• species

• ecotype

Which is a source of energy for Earth’s living things?

• wind energy only

• sunlight only

• wind energy and sunlight

• sunlight and chemical energy

All life on Earth exists in a region known as

• ecology

• a biome.

• biomass.

• . the biosphere

. A group of populations living together in one area is a

• species

• . community

• ecosystem

• . biosphere

Another word for a producer is a(n)

• heterotroph

• . carnivore.

• . scavenger

• autotroph

Nutrients move through an ecosystem in

• biogeochemical cycles

• water cycles.

• energy pyramids

• ecological pyramids

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3