PA Envirothon Aquatic

_______ are the second most diverse ecosystems in the world.

• Coral reefs

• Tropical rain forests

• Deciduous forests

• Polar regions

Tags

NGSS.MS-LS2-5

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

• great blue heron

• green heron

• yellow crowned night heron

• sandhill crane

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

• Black-crowned Night Heron

• Green Heron

• Least Bittern

• Cattle Egret

Tags

NGSS.MS-LS2-1

The American bittern prefers what type of habitats?

• emergent wetlands

• freshwater wetlands

• saltwater wetlands

• dense vegetation

• open water

Tags

NGSS.MS-LS2-1

What does the American bittern eat?

• fish

• amphibians and snakes

• insects and crustaceans

• aquatic vegetation

• seeds and grain

• Great Egret

• Green Heron

• Black-crowned Night Heron

• American Coot

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

• Temperature

• Wind speed

• Soil type

• Altitude

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What is the main purpose of a riparian buffer zone in aquatic environments?

• To increase water temperature

• To reduce soil erosion

• To attract more fish

• To increase water flow

Tags

NGSS.MS-LS2-4

Which of the following is a common method for measuring water quality in streams?

• pH testing

• Wind speed measurement

• Soil sampling

• Temperature gradient analysis