Science

an animal with a skull and backbone

an animal without a backbone

made of many cells

an organism in the earliest stage of development

similar cells that work together to perform a specific job in the body

a combination of two or more tissues that work together to perform a specific function in the body

an organism that eats producers or other organisms for energy

the coloration and/or texture that enables an animal to blend in with its enviroment

when an animal changes into a color in which warns predators if the animal is harmful

behavior that doesn't depend on learning or experience

behavior that has been learned from experience or watching other animals

to travel from one place to another

a period of inactivity and decreased body tempature that some animals experience in winter

period of reduced activity in the summer

the internal control of natural cycles

controlled daily cycles

the interaction between animals of the same species

a signal that travels from one animal to another and a response back

special behavior by animals of the same species that leads to mating

an area occupied by one animal or a group of animals

a method where chemicals are used to communicate