Introduction
Description: Adult male(boars) black bears can be from 100 to 300 lbs and adult females(sows) are 100 to 175 lbs. As adults they are 5 to 6 ft long and 2 to 3 ft tall. Cubs weight 7 ounces to a pound at birth. When fully grown adults they have small eyes, round ears, long snout, large body, shaggy black hair, and small tail. They also have non retractable claws and walk on the soles of their feet.
Classification: kingdom- animalia, Phylum- chordata, Class- mammal, Order- carnivores, Family- ursidae, Genus- ursus, Species- ursus
Habitat Description: American black bears live in forested areas with thick vegetation and an abundance of fruits and nuts. In northern areas they sometimes go in fields or meadows.
Geologic Time: 15,000 years ago Black bears were roaming every corner of the continent
Morphological and molecular evidence
Homologous Structure
Vestigial Structure
Transitional Fossils
Comparative Embryology
Credits:
Created with images by shankar s. - "Love his shiny fur!" • brian.gratwicke - "Black bear" • Marie Hale - "American black bear" • bluegate - "american black bear bear sitting" • USFWS/Southeast - "Black bear with cubs" • U.S. Fish and Wildlife Service - Midwest Region - "American Black Bear Cub"