Classifications I
These all have an internal spinal column
What are vertebrates?
A major life zone or vast ecological community that has a particular climate and animal type
What is a biome?
Means stinging nettle
What is cnidarian?
An external structure that extends from the main body
What is an appendage?
This helps fish survive their environment
What is their shape?
95% of all animals
What are invertebrates?
The two key elements of a biome
What are temperature and rainfall?
Tough fibrous protein makes up feathers
What is keratin?
These have three body segments and six legs
What are insects?
Feather function is determined by these two factors
What are structure and shape?
Their body temperature depends on surrounding environment
What are ectotherms?
Biome defined by strong dry winds and permanently frozen subsoil
What is arctic?
Invertebrates with two matching, hinged shells
What are bivalves?
These have two body segments and eight legs
What are arachnids?
Vertebrates defined by metamorphosis, they use gills early in life until lungs grow
What are amphibians?
Three characteristics of fish anatomy
What are generally covered in scales, breathe with gills, obtain oxygen from water, fins, most lay eggs in water
Bony, cartilaginous, jawless
What are the three classes of fish?
The largest land biome with almost exclusively conifers, harsh cold, and low precipitation
What is Taiga?
A mollusk with a single shell, most are carnivores
What is a gastropod?
The three characteristics all mammals have
What are body hair, three middle ear bones, and mammary glands?
Known for scaly, waterproof skin
What are reptiles?
The five major classes of vertebrates
What are fish, amphibians, reptiles, birds, mammals?
Biome with four distinct seasons and plants grow 4-6 months
What is temperate forest?
The largest invertebrate
What are cephalopods?
This group has rough, spiny skin, they are bottom feeders, and have radial symmetry.
What are echinoderms?
Warmth, flight, steering, attract a mate, and confuse predators
What are the five functions of a feather?