What special adaptations do intertidal species have?

Exposure to air AND survive heavy waves

1. Which aquatic ecosystem is likely to be the warmest?

a coastal ocean system at a temperate latitude

an intertidal zone in a polar region

an open ocean system near Antarctica

a benthic system in the middle of the ocean

The nutrient availability of aquatic ecosystems is the

amount of nitrogen, oxygen, and other elements dissolved in the water.

amount of rainfall the water receives.

number of other organisms present in the water.

number of different animal species living in the water

Are you likely to find zooplankton in the aphotic, benthic zone of an ocean?

No. Zooplankton feed on phytoplankton and phytoplankton cannot photosynthesize in the dark.

No. Zooplankton cannot chemosynthesize in the dark without the presence of oxygen in the water.

Yes. Zooplankton are chemosynthetic autotrophs.

Yes. Zooplankton can photosynthesize in the dark.

Which is one way a freshwater wetland differs from a lake or pond?

Water does not always cover a wetland as it does a lake or pond.

Wetlands are nesting areas for birds, but lakes and ponds are not.

Water flows in a lake or pond but never flows in a wetland.

Wetlands are salty, but lakes and ponds are fresh

Estuaries are commercially important because

fish species that people buy and sell live in estuaries.

lumber trees grow in estuaries.

tall buildings can be built in estuaries.

fossil fuels are found in estuaries.

Which of the following is a factor that makes estuaries unique?

They have a lot of biomass but not a large variety of species

They are very deep and dark but contain a lot of producers.

They contain both phytoplankton and zooplankton.

They are found in mountain ranges and are formed by melting snow.

Which of the following statements is NOT true about the open ocean? .

The open ocean begins at the low-tide mark and extends to the end of the continental shelf.

Most of the photosynthetic activity on Earth occurs in the open ocean within the photic zone.

The open ocean has low levels of nutrients.

Organisms in the deep ocean are exposed to frigid temperatures and total darkness.

4.5 Aquatic Ecosystems

Authored by Connie Hentz

Biology

9th - 12th Grade

NGSS covered

Used 23+ times

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The photic zone

extends to the bottom of the open ocean

extends to a depth of about 200 meters

is deep, cold, and permanently dark

is where chemosynthetic bacteria are the producers

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The aphotic zone is

the ocean's dark lower layer where photosynthesis cannot occur

the sunlit upper layer of the ocean where photosynthesis occurs

on the bottom of lakes, streams, and oceans.

where benthos are found

Tags

NGSS.MS-LS2-3

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which would have whales and chemosynthetic bacteria?

coastal ocean

intertidal ocean

open ocean

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which zone supports the least amount of life?

photic

aphotic

neritic

ocean

Tags

NGSS.MS-LS2-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This means the amount of salt dissolved in water.

salinity

salutation

saturation

saltiness

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do people use water from freshwater ecosystems?

drinking

bathing

crop irrigation

all of the above

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Runoff fertilizer and livestock waste from farms can add to the ____ of a pond?

nutrients

oxygen

pollution

biotic factors

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-5

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4.5 Aquatic Ecosystems

The photic zone

The aphotic zone is

Which would have whales and chemosynthetic bacteria?

Which zone supports the least amount of life?

This means the amount of salt dissolved in water.

How do people use water from freshwater ecosystems?

Runoff fertilizer and livestock waste from farms can add to the ____ of a pond?

The algae and microscopic organisms on the surface of lakes and ponds get their food

Temperature, sunlight and oxygen are examples of ____ factors.

What special adaptations do intertidal species have?

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