Vocabulary 1
What is another name for bristles?
Setae
Where is the earthworm's posterior?
At the tail
What is the top layer of soil called?
Topsoil
How many setae are on each segment?
8
Name at least two things worms enjoy eating.
Compost, humus, and soil
What is another name for the saddle?
clitellum
Where is the earthworm's anterior?
At the front
What is the second layer of soil called?
Subsoil
Will you find the mouth on the posterior or the anterior?
anterior
How do earthworms breathe?
Through their skin
What is humus made out of?
decayed plants and animals
Name 3 enemies of the earthworm. (Not the deadliest)
Bird, shrew, and hedgehog
What is the bottom layer of soil called?
bedrock
What does hermaphrodite mean?
both genders, male and female
How many pairs of hearts does an earthworm have?
5
What is the prostomium?
upper lip
What is the deadliest enemy of the earthworm?
Mole
What are the four components of soil?
air, water, humus, and rocks (minerals)
Name at least two natural resources.
soil, air, water, oil, wood
How many bones does an earthworm have?
What is erosion.
The movement of soil or rock from one place to another
Which two segments do not have any setae?
The head and the clitellum
What is soil pollution?
Littering and dumping chemicals into the soil is soil pollution.
What is a glacier?
a large land mass of moving ice
How many eyes does an earthworm have?
0