Unit 3: Classifying Ecosystems.1

What are ecosystems composed of?

• Only water bodies

• Varied habitats from microhabitat to ecoregion

• Only animals

• Only plants

Tags

NGSS.MS-LS2-3

Which of the following is NOT a main type of aquatic ecosystem?

• Fresh water

• None of the above

• Marine

• Terrestrial

Which factors affect terrestrial ecosystems?

• Only climatic factors

• Only physical factors

• Only biological factors

• Chemical, geographical, physical, climatic, and biological factors

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What directly impacts the producer population in an ecosystem?

• Availability of light or water

• Human activities

• Presence of predators

• Soil type

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Why is it important to classify ecosystems?

• To build more cities

• To protect fragile areas

• To reduce pollution

• To increase tourism

Tags

NGSS.MS-LS2-5

Which classification system is used globally?

• Australian National Aquatic Ecosystem classification framework

• Holdridge life zone system

• Specht’s classification system

• European Nature Information System habitat classification

What is the Holdridge life zone system based on?

• Animal population

• Foliage cover

• Average annual rainfall, biotemperature, evapotranspiration rate, latitude, and humidity

• Soil type

Tags

NGSS.MS-ESS2-6

Which classification system is based on the structural features of plants?

• Australian National Aquatic Ecosystem classification framework

• Specht’s classification system

• European Nature Information System habitat classification

• Holdridge life zone system

What does the foliage cover in Specht’s classification system refer to?

• The height of the tallest plants

• The number of plant species

• The density of the forest

• The percentage of vertical sightings in which foliage was observed

Which system is used in Australia to classify ecosystems?

• Holdridge life zone system

• European Nature Information System habitat classification

• None of the above

• Australian National Aquatic Ecosystem classification framework