2. How do earthworms adapt to their environment? ... Earthworms do not respond to darkness per say, but they do respond to light. How Does Scorpion Adapt To Desert Habitat? They breathe through their skin. If a earthworm is in your garden you might not be able to see it. Another adaptation is that they can secrete a lubricant if the ground is too dry. 1. How are earthworms harmful to the environment? Earthworms do not have any specialized respiratory organ like lungs. How to encourage earthworms. please help! Stimulus (What will you test?) Their streamlined shape allows them to burrow through soil. Stimulus (What will you test?) When feeding, the earthworm pushes its pharynx out of its mouth and uses it to grip its food and then pull it back into its mouth. how do worms get information from their environment. Earthworms influence (and benefit) the soil ecosystem in a number of ways: Recycling organic material: Earthworms, along with bacteria and fungi, decompose organic material. _____ inches Prediction (How do you think the earthworm will react?) For diffusion to occur, the earthworm’s skin must be kept moist. 2. Their enemies are many, from fishermen who use them as live bait to hungry birds to something as simple as a rainstorm. Observe. Measure. thx soo much! Oxygen and carbon dioxide pass through the earthworm’s skin by diffusion. Favorite Answer. Prediction (How do you think the earthworm will react?) Earthworms are thigmotactic, meaning that they respond to contact and touch, so the PNS mediates an important sensory modality. In this science project, you will find where earthworms like to stay when food is around. Split and merge into it. _____ inches . Prediction (How do you think the earthworm will react?) Will they gather around the food, take food with them in their tunnels, or not be attracted to the food at all? Observe. 2. Earthworms therefore, need to be in damp or moist soil. Because earthworms breathe through their skin, it must be kept moist in order to work. They were slit open on filter-paper and dehydrated individually in a vacuum desiccator at ioo° C. with … Would you like to make it the primary and merge this question into it? How long is your worm? Earthworms have segmented bodies which allow them to move around intheir environments. Instead, they breathe via the exchange of gas through their skin. How long is your worm? Earthworms remove the surface thatch material that can block water from entering the soil, as the thatch can cause it (and soluble nutrients) to run off. Measure. Sometimes earthworms are harmful to the environment; other times they are beneficial. Answer Save. Update: haha jk there's more. What observations can you make about your worm? what are the main differences among the 3 phyla of worms? Yes, earthworms respond to touch. How do earthworms react to their environment? II 31 (1) Water content The worms were kept on moist filter-paper for 3 or 4 days before the experiments, to clear their guts of earth. What observations can you make about your worm? Another adaptation is that they can secrete alubricant if the ground is too dry. Earthworms don't have much coloration, so they usually look white, gray, pink, or reddish brown. Measure. Observation (What was the earthworm’s response?