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Chapter 4: Ecology Revision Questions

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Ecology revision questions
John Loughlin
Quiz by John Loughlin, updated more than 1 year ago
John Loughlin
Created by John Loughlin about 8 years ago
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Question 1

Question
Ecology:
Answer
  • is the place where a plant or animal lives
  • is the study of the interactions between organisms and between organisms and their environment
  • is all the members of the same species living in the habitat
  • is that part of the planet in which living organisms can be found

Question 2

Question
An ecosystem:
Answer
  • is the study of the interactions between organisms and between organisms and their environment
  • is that part of the planet in which living organisms can be found
  • is the place where a plant or animal lives
  • is a group of clearly distinguished organisms that interact with their environment as a unit

Question 3

Question
The biosphere:
Answer
  • is that part of the planet in which living organisms can be found
  • is the place where a plant or animal lives
  • is all the members of the same species living in the habitat
  • is the study of the interactions between organisms and between organisms and their environment

Question 4

Question
A habitat:
Answer
  • is the study of the interactions between organisms and between organisms and their environment
  • is all the different populations of species living in the habitat
  • is the place where a plant or animal lives
  • is that part of the planet in which living organisms can be found

Question 5

Question
A population:
Answer
  • is the study of the interactions between organisms and between organisms and their environment
  • is all the members of the same species living in the habitat
  • is all the different populations of species living in the habitat
  • is a group of clearly distinguished organisms that interact with their environment as a unit

Question 6

Question
A community:
Answer
  • is all the different populations of species living in the habitat
  • is all the members of the same species living in the habitat
  • is the study of the interactions between organisms and between organisms and their environment
  • is that part of the planet in which living organisms can be found

Question 7

Question
What type of factors are abiotic factors?
Answer
  • Living
  • Non-living
  • Disease-causing
  • Healthy

Question 8

Question
What type of factors are biotic factors?
Answer
  • Living
  • Non-living
  • Disease-causing
  • Healthy

Question 9

Question
Edaphic factors have to do with the:
Answer
  • Water
  • Weather
  • Air
  • Soil

Question 10

Question
What is a 'producer'?
Answer
  • An organism that gets its food from other living organisms
  • An organism that makes its own food
  • An organism that does not need food
  • An organism that can both make its own food and get food from other living organisms

Question 11

Question
Consumers are:
Answer
  • organisms that do not require food
  • organisms that make their own food
  • organisms that kill other organisms
  • organisms that obtain their food from other organisms

Question 12

Question
A grazing food chain is a:
Answer
  • sequence of organisms in which each one is eaten by the next member in the chain
  • sequence of organisms that live in the same habitat
  • sequence of organisms in which the last organism eats all the others
  • sequence of organisms in which the first organism eats the others

Question 13

Question
[blank_start]Grass[blank_end] →Rabbit → Fox
Answer
  • Grass
  • Ash tree
  • Horse Chestnut tree
  • Bamboo

Question 14

Question
A pyramid of numbers
Answer
  • represents the number of organisms in each food chain
  • represents the number of organisms at each stage in a food chain
  • represents the number of stages in a food chain
  • represents the number of food chains in an ecosystem

Question 15

Question
A food web
Answer
  • consists of a population of organisms living in a habitat
  • consists of a number of different species living in the same habitat
  • consists of two or more interlinked food chains
  • consists of two or more separate food chains

Question 16

Question
A niche is
Answer
  • the functional role an organism plays in a particular habitat
  • the way an organism feeds in its habitat
  • an organism's food supply
  • an organism's offspring

Question 17

Question
In the carbon cycle elemental carbon in carbon dioxide enters living organisms through the process of:
Answer
  • Digestion
  • Respiration
  • Protein synthesis
  • Photosynthesis

Question 18

Question
In the carbon cycle, elemental carbon in living organisms enters the atmosphere through the process of:
Answer
  • Respiration
  • Protein synthesis
  • Photosynthesis
  • Digestion

Question 19

Question
Burning of fossil fuels is a major contributor to the carbon dioxide in the atmosphere.
Answer
  • True
  • False

Question 20

Question
In the nitrogen cycle, elemental nitrogen enters living organisms mostly via:
Answer
  • Plants
  • Fungi
  • Bacteria
  • Animals

Question 21

Question
In the nitrogen cycle, nitrogen fixation is:
Answer
  • the conversion of nitrates to ammonia
  • the conversion of ammonia to nitrates
  • the conversion of nitrogen gas to nitrates
  • the conversion of nitrates to nitrogen gas

Question 22

Question
In the nitrogen cycle, nitrification is:
Answer
  • the conversion of ammonia to nitrates
  • the conversion of nitrates to ammonia
  • the conversion of nitrogen gas to nitrates
  • the conversion of nitrates to nitrogen gas

Question 23

Question
Denitrification is:
Answer
  • the conversion of nitrates to nitrogen gas
  • the conversion of nitrogen gas to nitrates
  • the conversion of nitrates to ammonia
  • the conversion of ammonia to nitrates

Question 24

Question
Assimilation is an important process in both the carbon and nitrogen cycles. Which of the following statements correctly describes assimilation?
Answer
  • Conversion of plant biomolecules into animal biomolecules
  • Conversion of animal biomolecules into plant biomolecules
  • Conversion of animal remains into humus
  • Conversion of plant remains into fossil fuels

Question 25

Question
The carbon and nitrogen cycles are important parts of 'nutrient recycling'. Which of the following statements correctly describes nutrient recycling?
Answer
  • Nutrients are passed from one organism to the next
  • Reuse of elements present in living organisms
  • Nutrients are passed back and forth between two organisms
  • Reuse of food by a particular organism

Question 26

Question
Pollution is
Answer
  • the reuse of elements in living organisms
  • any harmful addition to the environment
  • the getting rid of waste products of metabolism
  • the sum of all the chemical reactions in an organism

Question 27

Question
Conservation is:
Answer
  • the wise management of our existing natural resources
  • any harmful addition to the environment
  • the reabsorption of water in an organism
  • the management of a living organsism

Question 28

Question
Which of the following is NOT a problem associated with waste disposal?
Answer
  • Landfill sites are unsightly
  • Pollution
  • Disease-causing organisms
  • Can be used to produce energy

Question 29

Question
Which of the following is NOT one of the 'three Rs' associated with waste minimisation?
Answer
  • Reduce
  • Recycle
  • Restriction
  • Reuse

Question 30

Question
Which of the following is NOT an ecological relationship?
Answer
  • Symbiosis
  • Predation
  • Competition
  • Parasitism
  • Pollution

Question 31

Question
Competition is
Answer
  • the struggle for a resource
  • the catching, killing, and eating of another organism
  • when one organism lives in or on another organism, called the host, and the host is harmed
  • when two organisms of different species live in close association and at least one of them benefits

Question 32

Question
Predation is:
Answer
  • the struggle for a resource
  • the catching, killing and eating of another organism
  • where one organism lives in or on another organism, called the host, and the host is harmed
  • where two organisms of different species live in close association and at least one of them benefits

Question 33

Question
Symbiosis is:
Answer
  • where two organisms of different species live in close association and at least one of them benefits
  • where one organism lives in or on another organism, called the host, and the host is harmed
  • the catching, killing and eating of another organism
  • the struggle for a resource

Question 34

Question
Parasitism is:
Answer
  • where two organisms of different species live in close association and at least one of them benefits
  • where one organisms lives in or on another organism, called the host, and the host is harmed
  • the catching, killing and eating of another organism
  • the struggle for a resource
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