At which level of biological organization would you place the heart?

A group of organisms of the same species that occupy the same environment is called a _________.

Atoms bond with each other to form _________.

When something is formed when many molecules bond together, it is called ______________.

It is the simplest unit of life.

It is composed of two or more types of tissue

At which level of biological organization would you place a herd of buffalo?

It is an assemblage of populations of different species

They are formed by interactions of a community of organisms with their physical environment

It includes all of the places on the Earth where living organisms exist

Living organisms can be viewed at different levels of biological organization: atoms, molecules and macromolecules, cells, tissues, organs, organisms, populations, communities, ecosystems, and the biosphere