Name: Unit 7

2. the female reproductive part of a flower that holds the eggs
3. an organ that receives information from sense organs about the environment and tells the body how to react
6. to figure out the meaning of something
7. something that is on the outside of an organism of object
9. a rigid inner support in vertebrates made of bones
10. a waxy outer coating on a leaf that helps a plant control the amount of water that leaves the plant
11. the part of a flower that receives pollen and contains the ovary
14. to sort objects or living things into groups based on shared traits
17. the male part of the flower that makes pollen
18. a hard external covering on many invertebrates that maintains their shape and protects their organs
20. the tube-like parts of a plant that transport materials throughout the plant

1. a trait, feature, or quality
4. something that is on the inside of an organism or object
5. the death of all organisms in a species
8. the job that something is made to do
9. the green, leaf-like part of a plant that protects a budding flower until it is ready to bloom
12. an arrangement of particles for a specific purpose
13. the organ in fish and young amphibians that takes in oxygen from water
15. an action or change that causes a certain reaction in an animal
16. an organ that pumps blood
19. the main respiratory organ that takes in and releases air