Cells
What is the outer layer of the cell in animal cells?
Cell membrane
How many stomach chambers do ruminant animals have?
Four
Which class has more efficient respiration, birds or mammals?
Birds
Do insects have open or closed circulatory systems?
Open
What is the function of the excretory system exactly?
What is the job of the ribosome?
To produce proteins
How would you describe the way that sponges obtain their food?
Filter feeders
How do earthworms respire?
By skin respiration
How many chambers does a fish heart have?
Two
How do cnidarians process information without a brain?
They use a nerve net
What is the role of the nucleus?
Which arthropods have a sponging mouth organ?
Flies
Why do reptiles have more efficient lungs than amphibians?
They have a greater surface area in their lungs
How do cnidarians transport oxygen through their bodies?
By diffusion
Which class of animals has the most developed nervous system?
Mammals
Which organelle is responsible for producing ATP (cell energy)?
The mitochondria
Why do herbivores have a longer digestive canal than carnivores?
To extract more nutrients from their food
Where exactly does gas exchange take place in mammalian lungs?
In the alveoli
Which blood vessels carry oxygenated blood in vertebrates?
Arteries
Which glands produce hormones in vertebrates?
Endocrine glands
Which organelle packages and transports proteins in cells?
The Golgi Body/Apparatus
How many sections are there in the digestive system of arthropods?
Three (Foregut, midgut and endgut)
How do insects respire?
Through a tracheal system with spiracles
What are the names of the two types of chambers in the mammalian heart?
Atria and ventricles
What kind of nervous system do arthropods have?
Cluster nervous system