life science7 ch 14 Crossword
This printable crossword puzzle on the topic of Ecology & Evolution has 15 clues. Answers range from 4 to 16 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
what class does birds belong to?
organ birds use to store large amounts of food?
little sacs connected to birds lungs and fills up with air every time it inhales and exhales
longer feathers that cover the bird and help insulate it, especially from water
short, fluffy feathers that hold warm air close to birds body
parent birds do to hatch eggs and care for them
class that mammals belong to
produces milk from mother mammal
mammals that grow their young in a placenta
mammal embryos receive oxygen, food, and have waste removed in what sructure
developing mammals are connected to placenta by what?
meat eating mammals
egg laying mammals
mammals that have a pouch in which they grow their young
mammals in order of primates
