A. Mutualism; Symbiosis
A. e.g. Fox; Chicken; Hawk; Rabbit;
etc.
Q. Comment on the relative sizes of
an individual producer and an
individual primary consumer in a
pyramid of numbers.
A. Producer larger; Consumer
smaller
Q. What is a predator?
A. An animal which kills and eats
another animal for food
Q. Where one organism lives in or
on a second species, feeding on it
and causing it harm is called …
A. Parasitism
Q. Name a factor, other than
competition, that controls wild
populations.
A. Disease; Parasitism; Predation;
Hunting
Q. What does an ecologist mean by
competition?
Q. Mortality levels resulting from
infection by a particular virus tend
to decline over the years. Why?
A. When two or more organisms
fight for a resource that is in short
supply
A. Host immunity develops;
Natural selection; Vaccination
Q. What term is used to describe an
animal that is killed and eaten?
Q. Marking an animal might
endanger it. Why?
A. Prey
A. More conspicuous to predators;
Q. True or False. Competition is
Social outcast; Toxic marker
generally more intense between
members of the same species than
Q. Suggest a role for parasites in the
between members of different
overall scheme of nature.
species.
Page 1 of 4
A. True
A. Population control
Q. Suggest possible effects of the
disappearance of a plant species on
the populations of other plants and
animals in the ecosystem.
A. Consumers of this plant may
decrease; Numbers of other plant
species may increase; New species
may appear to fill the niche.
Q. What is contest competition?
Q. Name a predator and give one
adaptive technique.
A. Fox, Speed and sharp canine
teeth
Q. Suggest an effect on human
population of an increased
availability of contraception.
A. Decrease (no increase) in
population; Improved social
conditions; Reduced STIs
A. One organism loses the resource
Q. What term do ecologists use to
describe an animal which kills and
eats other animals?
Q. All the members of a species
living in an area is referred to as …
A. Predator
A. Population
Q. If the population of prey declines,
suggest two possible consequences
for the predators.
Q. Give four factors that influence
the size of the human population.
A. Famine; Birth control; War;
A. Starvation or death; Migration;
Disease; Birth rate; Death rate or
Decline in population; Change food
longevity; Degree of medical care
source
Q. Mortality levels tend to be higher
in the migratory animal species.
Q. What is scramble competition?
Why?
Page 2 of 4
A. Each organism gets some of
resource
Q. Apart from competition, state
another factor that limits
population growth.
A. Hazards encountered on
migration
Q. The population of a predator did
not decline following a big reduction
in the population of its main prey.
Why?
A. Disease; Parasitism; Food
availability; Pollution
A. Different prey
Q. Give an example of predation by
naming a predator and its prey.
Q. A relationship between two
organisms in which both benefit is
called …
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Follow-me Quiz
Follow-me Quiz
1.4.10.H Pyramid of Numbers
1.4.10.H Pyramid of Numbers
1.4.11.H Ecological Relationships 1.4.11.H Ecological Relationships
1.4.12.H Population Dynamics
1.4.12.H Population Dynamics
Follow-me Quiz
Follow-me Quiz
1.4.10.H Pyramid of Numbers
1.4.10.H Pyramid of Numbers
1.4.11.H Ecological Relationships 1.4.11.H Ecological Relationships
1.4.12.H Population Dynamics
1.4.12.H Population Dynamics
Follow-me Quiz
Follow-me Quiz
1.4.10.H Pyramid of Numbers
1.4.10.H Pyramid of Numbers
1.4.11.H Ecological Relationships 1.4.11.H Ecological Relationships
1.4.12.H Population Dynamics
1.4.12.H Population Dynamics
Follow-me Quiz
Follow-me Quiz
1.4.10.H Pyramid of Numbers
1.4.10.H Pyramid of Numbers
1.4.11.H Ecological Relationships 1.4.11.H Ecological Relationships
1.4.12.H Population Dynamics
1.4.12.H Population Dynamics
Follow-me Quiz
Follow-me Quiz
1.4.10.H Pyramid of Numbers
1.4.10.H Pyramid of Numbers
1.4.11.H Ecological Relationships 1.4.11.H Ecological Relationships
1.4.12.H Population Dynamics
1.4.12.H Population Dynamics
Enter Topic Title in each section above
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