Across
- 3. body covering of birds,
- 6. an arthropod with 8 legs
- 8. annual behavior to minimize risk in winter
- 9. dug by some mammals, like armadillos
- 10. animal hatched from eggs (usually), cold blooded
- 13. means "two lives" usually one in water and one on land
- 17. body covering of fish and reptiles,
- 20. annual movement of an entire species
- 23. built by birds
- 24. covered in scales, lives in water,
- 25. transition experienced by most amphibians and insects
- 26. links of energy transfer in a habitat
Down
- 1. animal that only eats other animals
- 2. animal that eats both plants an animals
- 4. provides all basic needs for species, like food, water, shelter, and space
- 5. animal that only eats plants
- 7. connected network of energy transfer chains
- 11. left in the mud by the foot of animals,
- 12. all of the plants, animals, and nonliving things interacting
- 14. animal covered in fur, born alive, warm-blooded
- 15. built by bees, wasps, etc.
- 16. animal covered in feathers, hatched from eggs
- 18. animal droppings
- 19. external protection for arthropods
- 21. an animal with an exoskeleton, jointed legs, and antennae
- 22. secreted by amphibian skill to keep them moist
- 24. body covering of mammals,
