Solve these clues to fill the grid.
- Furry pet that purrs and chases mice
- 3 Across
- The natural world around us
- 5 Across
- Any animal or plant material used to fertilize land especially animal excreta usually with litter
- 9 Across
- Long legless reptile that slithers
- 10 Across
- What we eat to get energy and grow
- 11 Across
- Diurnal insect typically having a slender body with knobbed antennae and broad colorful wings
- 13 Across
- Alert carnivorous mammal with pointed muzzle and ears and a bushy tail
- 14 Across
- Eight-legged creature that spins webs
- 1 Down
- A burrowing monotreme mammal covered with spines and having a long snout and claws for hunting ants
- 2 Down
- Any of several herbivorous leaping marsupials of Australia and New Guinea having large powerful
- 4 Down
- A system formed by the interaction of a community of organisms with their physical environment
- 6 Down
- Mostly white aquatic bird having long pointed wings and short legs
- 7 Down
- Any of numerous hairy-bodied insects including social and solitary species
- 8 Down
- Any of various tailless stout-bodied amphibians with long hind limbs for leaping
- 11 Down
- Tall plant with a trunk and branches
- 12 Down
- Warm-blooded egg-laying vertebrates characterized by feathers and forelimbs modified as wings
- 13 Down