Quizlet Words 3/30

multicellular

Animals have many cells making up their bodies or they are _____.

vertebrates

Animals with a backbone

invertebrates

Animals without a backbone

Fish, amphibians, reptiles, birds, and mammals

Examples of vertebrates

Heterotrophs

Organisms that can not make their own food

endoskeleton

An internal skeleton

Lungs or gills

This organs are used for gas exchange in vertebrates

ectothermic

Body temperature of this type of organism changes in response to changes in the temperature of the environment

endothermic

Body temperature of this type of organism remains constant regardless of the temperature of the environment

Fish

Vertebrate, ectothermic organisms that get oxygen through gills, most lay eggs, have scales and fins and live in water

Amphibians

Vertebrate, ectothermic organisms that can breathe in water as young and go through metamorphosis to live on land with lungs as adults

Jelly like

Type of eggs amphibians lay

Frogs and salamanders

Amphibians with smooth moist skin, through which they can breathe, and live part of life on land and part of life in water

Toads

Amphibians with thicker, bumpy skin that live on land

Reptiles

Vertebrate,ectothermic organisms that breathe with lungs and lay eggs. Some eggs hatch inside females. They have scales or plates

Birds

Vertebrate, endothermic organisms that breathe with lungs, lay eggs and have feathers

Mammals

Vertebrate, endothermic organisms that breathe with lungs, have live births, have fur or hair and make milk to feed young