A trait, feature, or quality

to sort objects or living things into groups based on shared traits

a waxy outer covering on a leaf that helps plants control the amount of water that leaves the plant

a hard external covering on many invertebrates that maintain their shape and protects their organs.

something that is on the outside of an organism or object

the death of all organisms in a species

the job that something is made to do

something that is on the INSIDE of an organism or object

to figure out the meaning of something

the main respiratory organ that takes in and releases air

the female reproductive part of a flower that holds eggs

the part of a flower that receives pollen and contains the ovary

the green, leaf-life part of a plant that protects a budding flower until it is ready to bloom

a rigid inner support in vertebrates made of bones

the male part of a flower that makes pollen

an action or change that causes a certain reaction in an animal

an arrangement of particles for a specific purpose

the tube-like parts of a plant that transport materials through the plant