life and living

4. Upper part of a stamen that contains the pollen grains
5. Protects the developing whorl of a flower
7. Thin layer of gases that surround the earth
8. A branch of science that is concerned with classification
9. Male parts of a flower
11. A group of similar organisms that can mate and produce fertile offspring
12. The bottom part of a pistil that contains the ovules
13. The stalk that carries the anther
14. linnaeus The Swedish scientist who invented the 7 level classification system
16. The highest category in taxonomic classification
17. Removal of waste products from the body

1. Living things interacting with their non living environment
2. Coloured parts of a flower
3. The female parts of a flower
6. Thin layer of soil and rock covering the surface of Earth
9. The nodule at the tip of the style that receives the pollen
10. All the different living things on earth
11. The tube that connects the ovule to the stigma
15. Characteristics that help a living organism to survive in its environment