Question

How many of the following statements are
correct in reference of predation ?
(a) Ecosystem may become unstable in
absence of predators
(b) Predators can be used as biological
control agents for pest control.
(c) Predators help in maintaining species
diversity in a community
(d) Fitness of interacting species is
significantly lowered in predation
One
Three
Two​

Answer 1

Answer:

b) predators can be used as biological control agents for pest control

a)

c)

are correct

Answer 2

Three statements option (a) (b) and (c) are correct about predation.

EXPLANATION:

• Predation is defined as the biological interaction between organisms. Where one organism kills and eats another organism.
• The first statement Ecosystem may become unstable in absence of predators is true as predation helps in removing vulnerable prey such as old, sick, or very young leaving more food for survival.
• The second statement Predators can be used as biological control agents for pest control is true as predation benefit as biological control of pest
• Predators often attack in different life stages of pests and various pest species.
• The third statement -Predators help in maintaining species diversity is true for predation as they help in reducing the intensity of competition among prey species.
• The fourth statement Fitness of interacting species is significantly lowered in predation is in reference to competition and not predation.
• Competition is the interaction between species for a resource of limited supply.

Hence only three statements are correct about predation. Option d is in reference to competition.

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