These animals eat other anaimals
What is carnivore
This gas is breathed in for respiration
What is oxygen
The main organ in this system
What is heart
This cannot be excreted by the kidneys
What is salt
The kind of organism this is
What is carnivore
We have this kind of digestion
What is extracellular digestion
These structures are used in terrestrial insects
What is spiracles
Arthropods have this kind of system
What is open circulatory system
The most complex excretory organ
What is the kidneys
The kind of tooth this is
What is canine
This cavity has a single opening for both digestion and excretion
What is gastrovascular cavity
This is the main site of gas exchange
What is alveoli
We have this loop system in our own bodies
What is double loop circulation
birds and reptiles have this kind of nitrogenous waste
What is uric acid
The kind of organism that this circulatory system belongs to
What is amphibian/reptile
A clownfish and a sea anemone display this kind of relationship
what is mutualism
Jellyfish use this strategy for respiration
What is diffusion through their skin
These animals breaks the rule that most mollusks have an open circulatory system
What are active cephalopods (squid and octopus)
Nephridia belong to these groups of animals
What is annelids and mollusks
Birds have this in their respiratory system
what is air sacs
All animals are this
What is heterotroph
Another name for your windpine
Whats is trachea
In a mammal heart, this side is rich in oxygen
What is the left side
This is what happens when an animals drinks sea water
What is shock the kidneys and die of dehydration.
Insects use these structures for excretion
What is malpighian tubules