Ecosystems and Aquatic Ecosystems

What factors can cause an ecosystem to change? Check all that apply:

• Climate Change

• Predator-Prey Interactions

• Seasonal Variations

• Annual migration of organisms

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-2

What causes seasonal variations on Earth?

• The Greek God Helios

• The axial tilt of the Earth

• Changing rotations of the Sun and the Moon

• Ocean Currents

Tags

NGSS.MS-ESS1-1

Which of the following is the correct definition of climate change?

• The short-term changes in weather and precipitation

• The changing of the seasons from year to year

• Long term changes in weather and precipitation

• Whenever a city receives more hurricanes than normal

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

What is a pioneer species?

• Animals and plants the pioneers took with them out West

• The first organisms to live in a previously uninhabited area

• The first species to emerge after a forest fire

• The species that will eventually make up the majority of an ecosystem

What are examples of pioneer species? Check all that apply:

• Moss

• Lichens

• Hardwood Trees

• Bushes

• Grasses

Tags

NGSS.MS-LS2-3

___________________ is the establishment and development of an ecosystem in an area that was previously uninhabited.

__________________________ is the reestablishment of a damaged ecosystem in areas where the soil remains intact.

Which of the following events would see secondary succession take place? Check all that apply:

• Wildfire

• Flooding

• Creation of a new island after a volcanic eruption

• Land that is revealed after the melting of a glacier

• Tornado

Which of the following are factors that affect aquatic ecosysems?

• Salinity

• Light

• Depth

• Temperature

• All of the Above

Tags

NGSS.MS-LS1-5

True or False: The saltier and the colder the water, the more it will sink. This means the bottom of the ocean has the saltiest and coldest water.

• True

• False