What are Vertebrates and Invertebrates? Flashcards
How many kingdoms is the animal kingdom divided into?
Two
What is an animal with a backbone called?
Vertebrate
What does Vertebrate mean?
Bones that make up the backbone
What are the 5 Phyla that vertebrates are divided into?
Mammals, Birds, Reptiles, Amphibians, and Fish
What makes mammals unique?
They have hair and produce milk for their young
What makes birds unique?
They have feathers, which keep them warm and help most of them fly
What makes reptiles unique?
They have scaly skin, and most lay their eggs on land
What makes amphibians unique?
They begin life in water, but when they are adults they live on land
What makes fish unique?
They have scales and live their entire lives in water
Are vertebrate or invertebrates the largest part of the animal kingdom?
Invertebrates
What is an animal without a backbone called?
Invertebrates
What are sponges?
They live mostly in oceans, are simple invertebrates, and can include jellyfish, anemones, and coral
Some phyla like worms live on ________.
land
What makes earthworms unique?
They have a head end and tail end. Their bodies are divided into segments that look like rings.
What are Mollusks?
Complex Invertebrate, soft-bodied animals like octopus and squid
What phylum do sea stars, sand dollars, and sea urchins belong to?
Echinoderms
What makes echinoderms unique?
They have different shapes, and most have body parts in multiples of five, many have hard spins
What is the largest phylum of invertebrates called?
Arthropods
What makes arthropods unique?
They have jointed legs and two or more body segments. They have skeletons, but on the outside of their body
Arthropods are classified into several classes. What class is seafood?
Crustaceans
What makes crustaceans unique?
Have claws, and some have antennae on their heads
What is the largest class of arthropods called?
Insects
What makes an insect unique?
Many have six legs, they have three body segments
What class are spiders?
arachnids
What makes arachnids unique?
Most have eight legs
What is the form of a body part called?
structure
_________ is what a structure does.
Function
Do scientists rely mostly on function or structure when classifying?
Structure
