Feeding relationships Flashcards
What does a food chain always start with?
A food chain always starts with a producer.
Which is the secondary consumer in this food chain: grass -> grasshopper -> frog -> hawk?
The secondary consumers in this food chain are frogs.
What does an omnivore eat?
An omnivore eats meat and plants.
There is a pyramid of numbers, in this order: Sparrowhawk Thrush Clover Snail What is wrong with this order?
The clover should be at the bottom, because it is the producer.
What is a habitat?
A habitat is the place where an organism lives.
What is likely to happen to the population of slugs if the population of thrushes decreases?
If the population of thrushes decreases, the population of slugs would increase. This is because the slugs would have fewer predators.
What is likely to happen to the population of foxes if the population of rabbits decreases?
If the populations of voles increase, the population of thrushes would decrease because there would be more competition for prey.
What do the arrows in a food chain show?
The arrows in a food chain show the transfer of energy.