Biology Crossword Puzzle

2. The change in the earth’s temperature and climate over a long period. It can be natural or human caused.
4. Animals that have an internal backbone, like humans.
9. A way of splitting and describing what types of creatures live in an area, like a desert or forest.
11. Living things that shape an environment
13. Nonliving things that shape an ecosystem/environment ex: weather, rocks, rivers
15. An animal that has its skeleton on the inside of its body.
16. A system of interlocking food chains in an ecosystem
17. The total number of creatures from the same species
18. The removal of large areas of trees.
19. Insects have a shell on the outside of their body, but no other skeleton, meaning they have an...

1. A place where plants, animals, and other living creatures live and interact with each other
3. How many organisms an ecosystem can support during its worst seasons (drought or winter)
5. The total death of a species, plant, animal, fungi, etc.
6. A group of gasses that keep heat in the earth’s atmosphere.
7. An animal that does not have an internal backbone.
8. Animals that can’t regulate their own body temperature and must get heat from their environment.
10. Animals like polar bears, moose, and other cold weather animals can survive because they make their own heat, making them...
12. The widespread drop in the number of species on earth, caused by either a major climate shift, or a specific event. As many as 75% of species can die during this.
14. When substances are put in the environment faster than the environment can break down or store up.