Why are decomposers a significant part of ecosystems?

they produce more oxygen than they consume

they remove heavy metals from the air

Nitrogen fixation deals with....

Bacteria converting atmospheric Nitrogen into ammonia in the roots of legumes

bacteria coverting Nitrates to Ammonia then back to Nitrogen as it moves back into the atmosphere

Plants absorbing Ammonium and Nitrates

bacteria converting ammonia to nitrates

During denitrification.....

bacteria convert nitrates to ammonium then back to atmospheric nitrogen

bacteria found in roots of legumes converts atmospheric nitrogen to ammonium

plants absorb ammonium and nitrates

bacteria convert ammonium to nitrates

This is a source of Nitrogen ______________ and the problem is ________________

fertilizers (synthetic and manure)..............it causes algal blooms in bodies of water

smelting, refining and burning coal........................it causes acid rain

rocks.....................causes algal blooms in water sources

volcanoes......................it is a greenhouse gas

Excessive carbon in the atmosphere is a problem because.....

all of these answers are correct

Oceans play an important role in the carbon cycle because they...

Then can release AND store large amounts of C02 depending on conditions

They can store large amounts of C02 as a sink

can release large amounts of CO2

The major human inputs of Phosphorus are from.....

using Phosphorus based fertilizers that can runoff into water

none of these answers are correct

The source of Phosphorus comes from.......

it is mined from rocks or weathered from rocks

It is "fixed" by plants from the atmosphere

it is caused by refining and smelting

driving cars as it a pollutant formed from engine combustion

Place the ecology levels of organization in proper order (smallest to largest)

organism > population > community > ecosystem > biosphere

community > organism > ecosystem > biosphere > population

organism > community > biosphere > population > ecosystem

population > biosphere > ecosystem > community > organism

In which biome would you expect to find an area with an average temperature of 4 o C and 50 cm of precipitation annually?

Temperate grassland/cold desert

The direction of an arrow in a food chain represents

the flow of energy from organism A to B

the flow of energy from organism B to A

Where is carbon stored in the environment?

Calcium carbonate (shells and bones)

APES Unit 1 Review

Quiz

•

Science

•

9th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-LS2-3, MS-LS2-4, MS-LS2-1

+13

Standards-aligned

RAYLENE FOWLER

Used 24+ times

FREE Resource

65 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Five species of warblers coexist in the same fir tree by occupying different areas of the tree. This demonstrates

adaptive radiation

competitive exclusion

natural selection

resource partitioning

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Why do biomes near the equator have greater biodiversity than those near the poles?

due to ecological succession

due to the invasion of exotic species

the temperature & precipitation is greater near the equator

the temperature & precipitation is greater near the poles

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Why are phytoplankton more abundant near the surface of oceans?

to be more accessible to other organisms

sunlight cannot penetrate great depths

they are ba-ba-ba benthic organisms

because they feed on zooplankton that live there

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What causes seasonal fluctuations in carbon dioxide levels?

differences in air temperature

differences in water temperature

variations in photosynthetic activity

variations in sea level

Tags

NGSS.HS-LS2-5

NGSS.HS-LS2-6

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is a primary source of nitrates & phosphates?

burning of coal

changes in environmental temperature

fertilizers and sewage

nitrogen fixation and lightning

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Why is the main reason phosphorus is a limiting factor?

it cannot be readily taken up by plants

is cycles too quickly through the biosphere

it is insoluble in water and forms sediments like rock

there is too much of it in nature typically that it is toxic

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which element does NOT have a gas phase?

carbon

nitrogen

phosphorus

sulfur

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APES Unit 1 Review

65 questions

Five species of warblers coexist in the same fir tree by occupying different areas of the tree. This demonstrates

Why do biomes near the equator have greater biodiversity than those near the poles?

Why are phytoplankton more abundant near the surface of oceans?

What causes seasonal fluctuations in carbon dioxide levels?

What is a primary source of nitrates & phosphates?

Why is the main reason phosphorus is a limiting factor?

Which element does NOT have a gas phase?

Stage of the hydrologic cycle where plants lose water from their pores

What is the NPP if the GPP is 5.8 kg C/m2/year and respiration is 2.4 kg C/m2/year?

Which of the following have the LOWEST net primary productivity?

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