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Why is it difficult for a bird to pull an earthworm out of the ground?
That the predation goes against gravity, the prey has powerful muscles that tense against the extraction and the soil is a rough source of friction are reasons why it is difficult for a bird to pull an earthworm out of the ground. The bird employs its beak for pulling and its legs for anchoring. It has to let go, and try all over again, when the length of the exposed worm equals the avian height.
How does the movement of earthworm in soil helps a farmer?
An earthworm, while moving, chews up some soil and spits out the same amount of soil back into the ground. The soil which was eaten becomes fertile and more plants will grow on fertile soil. therefore, an earthworm helps a farmer by making soil fertile.
Which lives in the soil?
earthworm
How could you find out whether and earthworm eats soil or not?
To determine if an earthworm eats soil, you can conduct a simple experiment by placing an earthworm in a controlled environment with soil and observing its behavior over time. By weighing the soil before and after a set period, you can check for any loss in mass, which would indicate that the earthworm is consuming the soil. Additionally, examining the earthworm's castings can provide insight into its diet, as the presence of soil particles in the castings suggests that it has ingested soil.
What is the habitat of an earthworm?
the soil it lies in
How is soil sucked into the gut of the earthworm?
Soil is sucked into the gut of the earthworm through a process called ingestion. As the earthworm burrows through the soil, it contracts its muscular pharynx, creating a vacuum that pulls in soil and organic matter. This material is then transported to the crop and gizzard, where it is further processed and broken down, aiding in nutrient absorption. The earthworm's ability to consume soil helps improve soil structure and fertility.
What impact would a statocyst that does not function have on an earthworm?
If a statocyst in an earthworm does not function, the earthworm may have difficulty sensing its orientation and movement in relation to gravity. This could lead to problems with burrowing and navigating through soil, which are important activities for earthworms. The earthworm may also struggle to avoid predators and find food efficiently without proper functioning of the statocyst.
How do you find out whether earthworm eat soil?
by dissecting the earthworm and looking inside of the stomach...
What are two ways in which an earthworm's body is adapted to life in the soil?
When you touch a earth worm it quickly contracts and withdraws into its burrow.The earthworm has no eyes so it cannot tell that you are a bird about to eat it. Its rapid withdrawal is a behavioural adaption to avoid being eaten.
How does an earthworm help soil?
Earthworms help by fertilizing the soil with their waste.
How does an earthworm obtain its food?
by eating the soil
What are the functions of an earthworm?
improve the health of the soil
