1. Chapter 9 – Cellular Growth pp. 244-246

5. Surface-to-Volume Ratio in Cells Cell Size (cm) 1 x 1 x 1 2 x 2 x 2 4 x 4 x 4 Volume 1cm 3 8 cm 3 64 cm 3 Surface Area 6 cm 2 24 cm 2 96 cm 2 Surface-to-Volume Ratio 6 3 1.5

8. Chromosomes ‘ Chroma’ means colored. ‘ Soma’ means body.

10. Number of Chromosomes Penicillium 1-4 Mosquito 6 Carrot 18 Garden pea 20 Frog 26 Cat 32 Earthworm 36 Human 46 Chimpanzee 48 Gorilla 48 Orangutan 48 Amoeba 50 Sand Dollar 52 Horse 64 Dog 78 Adder’s tongue fern 1262

11. Adder’s Tongue Fern