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How do earthworms avoid loss of water from their gas exchange surface during unfavouable condition?
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Which organism has a gas exchange surface adapted for a terrestrial environment?
earthworms.
What is left on the surface of the soil after the rain?
earthworms
Do earthworms mate for life?
Earthworms do not mate for life. Mating of earthworms usually happen at night and on the surface. The process of copulation is separate from reproduction.
Why do earthworms come up to the surface when it is raining?
Earthworms come up to the surface during rain because the ground is saturated with water. If they stay underground, they will drown.
Do earthworms have lungs?
The moist skin of earthworms is used for gas exchange. Furthermore, their closed circulatory systems contain blood vessels close to the skin which allow for the exchange of O2/CO2. Reference = Biology 191 laboratory manual
Why do earthworms crawl to the surface when it rains?
So they don't drown
Is it true that earthworms only come to the surface when their holes are filled with water?
No
Why can you see an earthworms when it is raining?
Because they rise to the surface- to avoid being frowned in their burrows.
How do earthworms dry out in the sun?
they crawl onto the earths surface and sit there to fry to death
What provides a large surface area for gas exchange?
Your lungs provide a very large surface area for gas exchange.
How do earthworms respond to there environment?
they go down in the dirt when it is warm. when it is cold they go to the surface.
What is often found on the surface of soil just after rain- a delicacy for birds?
Earthworms are often found on the ground just after a rainstorm has passed through the area.
