Animal QUIZ - Part 1 Flashcards
Which body segment contains most of the internal organs of Arthropods?
Abdomen
What organism did animals evolve from?
Protozoans
What type of organism develop the anus as its first opening?
Deuteronstome
Why is segmentation important in animals?
Because it allows flexibility
What type of circulatory system do Arthropods and Mollusks have?
An open circulatory
What organelles do animal have?
Cell membrane
Mitochondria
Nucleus
What does the Coelom or body cavity allow for?
It allows over body to have a place to store organs
What organ is used to catch food in filter feeding Mollusks?
Gills
What will almost all animals do? (Think reproduction)
Reproduce with a male and female
When does life begin in term of biology?
After fertilization
What are humans an example of?
Deuteronstome
What kind of symmetry doe Cnidarians have?
Radial symmetry
Are animals autotrophs or heterotrophs?
Heterotrophs - because they get energy by eating other living things
What do we call an animal that does not have a body cavity ?
Acoelomate
What structure acts like a combination of a tooth and a tongue and is used to scrape up food in a Mollusks?
Radula