IBDP ESS Y12 Ecology

IBDP ESS Y12 Ecology

12th Grade

25 Qs

quiz-placeholder

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IBDP ESS Y12 Ecology

IBDP ESS Y12 Ecology

Assessment

Quiz

Science

12th Grade

Practice Problem

Easy

Created by

Pedro Duarte

Used 2+ times

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25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

How does energy enter an ecosystem?

sunlight

soil

animals

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An important abiotic factor in ALL ecosystems is the 
ecology
climate
plants
animals

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Autotrophs are organisms that
rely on other organisms for their energy & food supply.
consume plant & animal remains and other dead matter.
use energy they take in from the environment to convert inorganic molecules to organic molecules.
obtain energy by eating only plants.

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The total mass of living tissue at each trophic level can be shown in a(n)
energy pyramid
pyramid of numbers
biomass pyramid
biogeochemical cycle

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image
Why are food chains, such as the one shown, limited to 4-5 organisms?
There are not more organisms in the ecosystem
Organisms must share resources
Energy transfers are inefficient
They are only limited when organisms are living on land.

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

At which trophic level can you find an herbivore?

1st Level

2nd Level

3rd Level

4th Level

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Why are decomposers necessary?

Because we compose too much...

To take basic materials and make them more complex...

To take complex materials and break them down to basic stuff...

So demusic can be really good...

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