PA Envirothon Aquatic

What is an area where a river meets the sea, and includes some of the earth’s most productive wetlands?

• euphotic zone

• estuary

• inlets

• bays

• coastal marshes

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Most photosynthesis in the open ocean occurs in the ____.

• abyssal zone

• euphotic zone

• estuary zone

• bathyal zone

• benthic zone

Tags

NGSS.MS-LS1-6

The dimly lit zone in which zooplankton and smaller fishes predominate is the ____.

• abyssal zone

• euphotic zone

• estuary zone

• bathyal zone

• benthic zone

The open, sunlit surface area away from the shore is in which zone?

• benthic

• littoral

• bathyal

• limnetic

• profundal

Which of the following is NOT a pattern of aquatic biodiversity?

• Coral reefs have a high biodiversity

• Coastal areas have a high biodiversity

• Open ocean has a low biodiversity

• The benthic, bottom regions have a low biodiversity

Oysters, sea stars, and lobsters would be considered what type of organism?

• phytoplankton

• zooplankton

• nekton

• benthos

• decomposers

Which of the following is not part of the coastal zone?

• estuaries

• coastal wetlands

• bathyal zone

• intertidal zone

• coral reefs

What is the primary factor that determines the type of organisms found in a particular aquatic environment?

• Salinity

• Temperature

• Light availability

• Nutrient levels

Tags

NGSS.MS-LS1-5

Which of the following is a characteristic of a healthy aquatic ecosystem?

• High levels of pollutants

• Balanced predator-prey relationships

• Low biodiversity

• Excessive algae growth

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-5

In an aquatic food web, which organism is typically at the base?

• Fish

• Zooplankton

• Phytoplankton

• Bacteria

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3