Flashcards on Predator-Prey Relationships and Population Ecology

Predator-Prey Relationships and Population Ecology Explained

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What does 'predation' mean in predator–prey relationships?

Predation is when the predator catches, kills and eats the prey.

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Predator–prey relationships

10 cards

Card 1

Question: What does 'predation' mean in predator–prey relationships?

Answer: Predation is when the predator catches, kills and eats the prey.

Card 2

Question: How are all organisms described in terms of their interactions?

Answer: All organisms are interdependent.

Card 3

Question: How does a change in one population affect others?

Answer: Changes of population affect another population.

Card 4

Question: How do predators and prey change over time relative to each other?

Answer: Predators and prey evolve together.

Card 5

Question: What role do predators play in regulating prey species?

Answer: Predators regulate the amount and distribution of prey species.

Card 6

Question: What happens to prey populations when predator populations increase?

Answer: As predator population increases, prey population decreases.

Card 7

Question: How do predators influence biodiversity?

Answer: Predators increase biodiversity by preventing one species from becoming dominant.

Card 8

Question: In what way do predators affect the genetic quality of prey populations?

Answer: Predators keep prey species genetically stronger because weaker and sick animals are caught first.

Card 9

Question: What type of feedback relationship is the predator–prey interaction an example of?

Answer: Predator–prey is an example of a negative feedback relationship.

Card 10

Question: Give three example predator–prey pairs mentioned.

Answer: Aphid – ladybird; Lion – zebra; Owl – mice.