Biology Review

3. Plant growth in response to light is called
7. System, Several TISSUES working together is called what
9. Which organelle is found only in plant cells
10. The beginning stage of a new offspring is called
11. Cell, is the pocket of air at the large end of the egg
12. A sperm cell and an egg cell join together to form what
14. System, The nervous system is apart of what bigger system
15. When an alpha wolf is growling and displaying his teeth to another wolf in the pack the alpha wolf is showing what trait
17. Reproduction that requires one parent is called
18. A substance made by the body that helps white blood cells destroy germs
19. A behavioral change in the winter when the animal becomes inactive and its metabolism changes is called

1. What is the largest organ in the body
2. The nucleus of a cell divides by the process of what
4. The femur is located in what part of the body
5. What system enables movement of the body
6. What occurs when a sperm cell joins an egg cell
8. Plants use this substance to absorb energy from the sunlight
13. What stores food water and sometimes wastes inside a cell
16. Animals experience change in their bodies or their habitats to fit different conditions such as cold weather. What is this called