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Quiz by cloud.berry, created more than 1 year ago

IBD Biology (Unit 6 : Ecology, Evolution & Biodiversity) Quiz on Unit 6 : Ecology, Evolution & Biodiversity, created by cloud.berry on 04/06/2013.

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	Created by cloud.berry almost 11 years ago

Unit 6 : Ecology, Evolution & Biodiversity

Question 1 of 34

Ecology is the study of..?

Select one of the following:

Living things in their environment.
Organisms in their unnatural habitats
Ecosystems
Plants and the competition they face

Explanation

Question 2 of 34

An Ecosystem is..?

Select one or more of the following:

A community of organisms and their surroundings
The environment in which organisms live and with which they interact
Community of predators only
Acommunity of plants and prokaryotes

Explanation

Question 3 of 34

The organisms (community) of an ecosystem are called the component & the physical environment is known as the component.

Select one of the following:

Biotic | Abiotic
Abiotic | Biotic
Abiotic | Antibiotic
Biotic | Antibiotic

Explanation

Question 4 of 34

A Habitat is..?

Select one or more of the following:

The locality in which an organism occurs.
Where the organism is normally found
Where the organism lives
Where the organism has a nest
Where the organism has died

Explanation

Question 5 of 34

The population is..?

Select one of the following:

All the living things of the same species in a habitat at any one time
All the living things in a habitat at any one time
All the different species in an ecosystem atr any one time

Explanation

Question 6 of 34

A community is..?

Select one or more of the following:

All the living things in a habitat or ecosystem
The total of all the populations of an ecosystem
All the living things of the same species in a habitat at any one time

Explanation

Question 7 of 34

Traits of organisms of the same species are..?

Select one or more of the following:

A group of individuals with common ancestry
Capable of interbreeding to produce fertile offspring
Incapable of interpbreeding to produce fertile offspring
Capable of interbreeding to produce only infertile offspring

Explanation

Question 8 of 34

An autotroph is an organism that :

Select one of the following:

Synthesises its organic molecules from simple inorganic substances
Synthesises its organic molecules from complex inorganic substances
Synthesises its inorganic molecules from simple organic substances
Synthesises it organic substances from simple inorganic molecules
Feeds itself

Explanation

Question 9 of 34

A heterotroph is an organism that :

Select one of the following:

Obtains organic molecules from other organisms
Synthesises its organic molecules from simple inorganic substances

Explanation

Question 10 of 34

Saprotrophs are..?

Select one of the following:

Organisms that feed on dead plants and animals, and on the waste matter of animals
Organisms that feed on dead plants but not animals or their waste matter
Organisms that synthesise their own organic molecules from simple inorganic substances
Organisms that obtain organic molecules from other organisms

Explanation

Question 11 of 34

Saprotrophs are known as..?

Select one or more of the following:

Detrivores
Decomposers
Herbivores
Carnivores
Composers
Producers

Explanation

Question 12 of 34

The trophic level is..?

Select one of the following:

The level at which an organism feeds in a food chain (it feeding level)
The level at which an organism is consumed in a food chain
The amount of predators an organism has in a food chain
The amount of alternative sources of food an organism has in a food web

Explanation

Question 13 of 34

The trophic level of producers is level ; for primary consumers it's level ; Secondary consumers are at level ; tertiary consumers sit at level ; and quaternary consumers at level __ .

Select one of the following:

1 | 2 | 3 | 4 | 5
5 | 4 | 3 | 2 | 1

Explanation

Question 14 of 34

Food chains tend to be fairly short because :

Select one of the following:

Energy lost at transfer between trophic levels means few (transfers) can be sustained for long
Energy is lost through death too quickly
There are not enough plants in ecosystems

Explanation

Question 15 of 34

Gases in the atmosphere that ____ infra red radiation are referred to as green house gases.

Select one of the following:

Absorb
Reflect
Combine with
Repel

Explanation

Question 16 of 34

The precausionary principle is..?

Select one or more of the following:

When an activity raises threats of harm, measures should be taken, even if a cause-and-effect relationship has not been established scientifically.
Better safe than sorry !
Better late than never !
Whe an acivity raises threats of harm, measures shoudn't be taken, unless a cause-and-effect relationship has not been established scientifically.

Explanation

Question 17 of 34

List the following in chronological order : , , and phase.

Select one of the following:

Lag | Exponential Growth / Log | Linear Growth | Plateu / Stationary
Plateu | Exponential Growth / Log | Linear Growth | Lag
Exponential Growth / Log | Lag | Linear Growth | Plateu

Explanation

Question 18 of 34

Evolution is..?

Select one of the following:

The process of cummulative change in the heritable characteristics of a population.
The occurance of mutations in the ehritable characteristics of a population.
The process of cummulative change in the non-heritable characteristics of a population.
The process of cummulative change in the heritable characteristics of a ecosystem.

Explanation

Question 19 of 34

Examples of Bryophyta are :

Select one or more of the following:

Liverworts
Moss
Flowering Plants
Conifers
Ferns

Explanation

Question 20 of 34

Examples of Filicinophyta :

Select one or more of the following:

Ferns
Flowering Plants
Liverworts
Moss
Conifers

Explanation

Question 21 of 34

Examples of Coniferophyta :

Select one or more of the following:

Conifers
Moss
Liverworts
Flowering Plants
Pine Trees

Explanation

Question 22 of 34

Examples of Angiospermophyta :

Select one or more of the following:

Flowers
Grass
Moss
Liverworts
Conifers
Ferns

Explanation

Question 23 of 34

Examples of Porifera :

Select one of the following:

Sponges
Flatworms
Snails
Molluscs
Insects
Arachnids

Explanation

Question 24 of 34

Examples Of Cnidaria :

Select one or more of the following:

Jellyfish
Flatworm
Snail
Sponge
Insects

Explanation

Question 25 of 34

Examples of Platyhelminthes :

Select one of the following:

Flatworms
Molluscs
Jellyfish
Insects
Snails

Explanation

Question 26 of 34

Examples of Nematoda :

Select one of the following:

Roundworm
Snails
Aracnids
Sponges
Jellyfish

Explanation

Question 27 of 34

Examples of Mollusca :

Select one or more of the following:

Snails
Molluscs
Sponges
Flatworms
Jellyfish

Explanation

Question 28 of 34

Examples of Anthropoda :

Select one or more of the following:

Aracnids
Insects
Crustaceans
Sponges
Flatworms
Molluscs

Explanation

Question 29 of 34

Pyramid of energy shows the flow of energy in a food chain.

Select one of the following:

True
False

Explanation

Question 30 of 34

Radiant energy from the sun reaches the earth and warms it along with the sea. The earth then radiates infra-red radiation back towards space, however, clouds reflect it back and much is absorbed by gases in the atmosphere. This effect is called the greenhouse effect and is needed to keep the earth warm.

Select one of the following:

True
False

Explanation

Question 31 of 34

Naturally occurring greenhouse gases include:

Select one or more of the following:

Phosphate
Methane
Water Vapour
Phosphorous
Carbon dioxide
CFCs

IBD Biology (Unit 6 : Ecology, Evolution & Biodiversity) Quiz on Unit 6 : Ecology, Evolution & Biodiversity, created by cloud.berry on 04/06/2013.

Unit 6 : Ecology, Evolution & Biodiversity

Unit 6 : Ecology, Evolution & Biodiversity

Question 1 of 34

Ecology is the study of..?

Select one of the following:

Explanation

Question 2 of 34

An Ecosystem is..?

Select one or more of the following:

Explanation

Question 3 of 34

The organisms (community) of an ecosystem are called the ____ component &amp; the physical environment is known as the ____ component.

Select one of the following:

Explanation

Question 4 of 34

A Habitat is..?

Select one or more of the following:

Explanation

Question 5 of 34

The population is..?

Select one of the following:

Explanation

Question 6 of 34

A community is..?

Select one or more of the following:

Explanation

Question 7 of 34

Traits of organisms of the same species are..?

Select one or more of the following:

Explanation

Question 8 of 34

An autotroph is an organism that :

Select one of the following:

Explanation

Question 9 of 34

A heterotroph is an organism that :

Select one of the following:

Explanation

Question 10 of 34

Saprotrophs are..?

Select one of the following:

Explanation

Question 11 of 34

Saprotrophs are known as..?

Select one or more of the following:

Explanation

Question 12 of 34

The trophic level is..?

Select one of the following:

Explanation

Question 13 of 34

The trophic level of producers is level __; for primary consumers it's level __; Secondary consumers are at level __; tertiary consumers sit at level __; and quaternary consumers at level __ .

Select one of the following:

Explanation

Question 14 of 34

Food chains tend to be fairly short because :

Select one of the following:

Explanation

Question 15 of 34

Gases in the atmosphere that ____ infra red radiation are referred to as green house gases.

Select one of the following:

Explanation

Question 16 of 34

The precausionary principle is..?

Select one or more of the following:

Explanation

Question 17 of 34

List the following in chronological order : __ , __ , __ and __ phase.

Select one of the following:

Explanation

Question 18 of 34

Evolution is..?

Select one of the following:

Explanation

Question 19 of 34

Examples of Bryophyta are :

Select one or more of the following:

Explanation

Question 20 of 34

The organisms (community) of an ecosystem are called the component & the physical environment is known as the component.

The trophic level of producers is level ; for primary consumers it's level ; Secondary consumers are at level ; tertiary consumers sit at level ; and quaternary consumers at level __ .

List the following in chronological order : , , and phase.