Because it is
Ectotherms are cold blooded animals. Ectotherms are animals whose outside temperature conducts its inside temperature. That's why a pet lizard has a heat lamp. It has to stay warm by its outside temperature.
ectotherm
An ectotherm
ectotherm
It's an ectotherm
Jellyfish have no blood.
An ectotherm, meaning it relies on external temperatures.
ectotherm.....
I belive beetles are coldblooded
i do not know the answer to your question, but i do know that you need to sort out your grammer ! Its not 'is silkworms coldblooded' its 'are silkworm coldblooded'. Sort your life out!
all insects are coldblooded
A dog is a mammal, hence its not coldblooded; its warmblooded.