How does the exchange of gases occur in earthworm?
In earthworm, the exchange of gases occurs through the moist skin. In fishes it takes place through gills and in insects through the tracheae. In a plant the roots take in air present in the soil. Leaves have tiny pores called stomata through which they exchange gases.
Where is gas exchange located?
Gas exchange takes place in the millions of alveoli in the lungs and the capillaries that envelop them. As shown below, inhaled oxygen moves from the alveoli to the blood in the capillaries, and carbon dioxide moves from the blood in the capillaries to the air in the alveoli.
How does respiration take place in earthworms?
They breathe through their skin. Air dissolves on the mucus of their skin, so they MUST stay moist to breathe. If worms dry out, they suffocate. As fresh air is taken in through the skin, oxygen is drawn into the worm’s circulatory system, and the worm’s hearts pump the oxygenated blood to the head area.
What type of respiration is earthworm?
Earthworms do not have lungs. They breathe through their skin. Oxygen and carbon dioxide pass through the earthworm’s skin by diffusion.
What type of respiration is found in cockroach?
tracheal respiration
How many eggs are in an Ootheca?
50 eggs
What are the respiratory organs in cockroach and fish?
BREATHING IN FISH: Fish have a pair of gills. The breathe air, dissolved in water, through gills. BREATHING IN COCKROACH: Cockroach and other insects breathe through spiracles and tracheae. There is a network of hollow tubes running through the body of an insect.
Which type of body cavity is found in cockroach?
coelomate
What is the body cavity of earthworm called?
coelom
Is a cockroach an exoskeleton?
Examples of animals with exoskeletons include insects such as grasshoppers and cockroaches, and crustaceans such as crabs and lobsters, as well as the shells of certain sponges and the various groups of shelled molluscs, including those of snails, clams, tusk shells, chitons and nautilus.
Can a fly swatter kill a cockroach?
This racket is: Capable of killing large cockroaches. 19 x 8 inches in size. Made of excellent quality ABS Plastic for durability. The head is red and the handle is black with a red on/off button.
How long does a cockroach live?
about one year
How fast do roaches multiply?
Depending upon the conditions, the average time for development, from egg to adult can range from 54 to 215 days, with an average of approximately 100 days. German cockroaches are known for their ability to reproduce quickly. Females only need to mate once for the production of young.