PA Envirothon Aquatics

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

_______ are the second most diverse ecosystems in the world.

• Coral reefs

• Tropical rain forests

• Deciduous forests

• Polar regions

Removal of which of the following will result in the greatest change(s) in an ecosystem?

• indicator species

• keystone species

• foundation species

• threatened species

Tags

NGSS.MS-LS2-4

This freshwater crustacean is related to the lobster.

• Crayfish

• Crawfish

• Crawdads

• Crab

This invasive species can survive on land for about 7 days.

• Zebra mussel

• Lionfish

• Red-Eared Slider

• Grass Carp

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

State Fish

• Largemouth Bass

• Brook Trout

• American Shad

• Walleye

These nocturnal creatures get their name from the chirping call they make that marks the beginning of spring.

• Bullfrog

• Spring Peeper

• Gray Treefrog

• Eastern Hellbender

Tags

NGSS.MS-LS1-4

Which of the following is a primary factor affecting the health of aquatic ecosystems in Pennsylvania?

• Nutrient pollution

• Desertification

• Deforestation

• Urban heat islands

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4