Across
- 4. invertebrate with six legs
- 5. Loss of water through leaves
- 6. found in plant cell walls
- 9. The skin of mammals is covered by__________.
- 10. Plants life cycle normally taking two seasons
- 11. Man's best friend
- 12. Fish use these to extract oxygen from water.
- 15. vertebrates like us
- 16. Young plant developing from the zygote
- 17. both vertebrates and invertebrates need to breath in this gas
- 18. group of similar cells performing a function
- 19. they produce milk for their young
- 20. Flying mammal
Down
- 1. Joining on a sperm cell and an egg cell
- 2. Respiration The process by which cells use oxygen to produce energy from food.
- 3. The process by which plants, algea, and some bacteria use sunlight, carbon dioxide, and water to make food.
- 6. A green pigment that captures light energy for photosynthesis.
- 7. Large marsupial
- 8. Likes to chase mice
- 13. invertebrate with 8 legs
- 14. Live in moist environments for reproduction
- 16. Has a trunk