This printable crossword puzzle on the topic of Ecology & Evolution has 20 clues. Answers range from 4 to 13 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
where you would see most marsupials
monkeys, gorillas, and chimpanzees are
structure that attaches an embryo to the placenta is called
process a bird uses to oil its feathers to keep the flexible is
organ where birds store food
small bumps on a bird's skin from which feathers grow
feathers that cover and insulate a bird
supplies oxygen to some developing mammals
food reserve in a bird egg
egg white
produce milk in female mammals
protein found in hair
mammals that lay eggs are called
birds care for their eggs by
long, pointed teeth used for tearing are called
marsupial that lives in north america
animals whiskers are used for
all birds are
all mammals produce
Birds are light