Final Exam - - 2018 Flashcards
When does new life begin - - in terms of biology?
After fertilization
Give an example of Echinodermata
Starfish
What does the Coelom or the body cavity allow for?
Our body to have a place to store organs
Give an example of Cnidaria
Jellyfish
What type of mammals lay eggs?
Monotremes
From what organisms do animals evolve?
protozoans
What types of mammals give birth to very premature young - who latch onto a mother after birth?
Marsupial mammals
Give an example of Mollusca
Snails
What will almost all animals do?
Reproduce with a male and female
What kind of skeleton do humans have?
Endoskeleton
Give an example of Porifera
Sponges
What kind of fish has a notochord but no real skeleton or backbone?
Jawless fish
What structure in fish was extremely important in the evolution onto land?
Lobed fins
What type of organism develops the anus as its first opening?
Deuterostome
What do the crop and gizzard in many earthworms have the same function as what structure in humans?
The stomach and teeth
Why is segmentation important in animals?
It allow flexibility
Give an example of Annelida
Earthworms
Animals are either autotrophs or heterotrophs?
hetertorophs
What cellular organelles are animals lacking that plants have?
Cell walls
Chloroplasts
Vacuoles
What is true about the movement of animals?
All animals can move at some point in their life
What do we call an animal that does not have a body cavity at all?
Acoelomate
Give an example of Platyhelminthes
Flatworms
Describe the evolution of mammals that live fully inside water - - like whales and manatees?
Animals on land developed adaptations to live in water and moved back to living in the water
What do the pharyngeal gill slits become what structures in adult humans?
Structure around the throat like the tonsils and thymus gland
Give an example of Arthropoda
Insects
Give an example of Nematoda
Roundworms
What can birds be considered?
Feathered Dinosaurs
What do Organelles do animals NOT have?
cell wall
What are the origins of animals?
Animal like protists, protozoans
In mollusks - what structure acts like a combination of a tooth and a tongue and is used to scrape up food?
Radula
Give an example of chordata
Humans
What are animals?
Heterotrophs because they get energy by eating other living things
What structure in vertebrates becomes the Dorsal nerve cord?
Spinal Cord
What type of circulatory system do Arthropods and Mollusks have?
An open circulatory system
What organelles doe animals have?
Nucleus
Mitochondria
Cell Membrane
What body segment contains most of the internal organs of Arthropods?
Abdomen
How do Psuedocoelomates (roundworms) digest food?
Wiggling their bodies until it goes through the digestive tract
What kind of symmetry does Cnidarians have?
Radial symmetry
What are humans and example of?
Deuterostomes
What organ is used to catch food in filter feeding Mollusks?
Gills
What method do sponges use to reproduce?
Sexual Reproduction
Through spores
Fragmentation
What is the name of the cells that are used to STING?
Cnidocyte
What body segment contains the brain and senses of Arthropods?
Head
What organ is used for movement in Mollusks ?
Foot
What does the term “Tetrapods” mean?
Four-limbs
Be able to give an example of the following: Arthropods Porifera Annelida Cnidaria Mollusca Platyhelminthes Nematoda
Use your notes
What does the term “arthropod” mean?
Jointed foot
What is the term for an animal that is both male and female at the same time?
Hermaphrodite
What structure in fish was extremely important in the evolution onto land?
Lobe fins
Describe the evolution of mammals that live fully inside water (whales and manatees)
Originally live on land and moved back into the water.
