Living Systems Practice Flashcard

Front

What is an example of an organism?

Back

A beetle.

Front

List the levels of organization in order from simple to complex.

Back

1. Cell 2. Tissue 3. Organ 4. Organ System 5. Organism

Front

What is a community in ecological terms?

Back

A community is the populations of two or more species within the same geographical area and time period.

Front

What is the function of the nucleus in a cell?

Back

The nucleus acts as the control center of the cell, directing all of the cell's activities.

Front

What does the biosphere include?

Back

The biosphere includes all living organisms on Earth along with the spheres they interact with (lithosphere, hydrosphere, and atmosphere).

Front

Define 'cell'.

Back

The basic unit of life that makes up all living organisms.

Front

What is a tissue?

Back

A group of similar cells that work together to perform a specific function.

Front

What is an organ?

Back

A structure made up of different types of tissues that work together to perform a specific function.

Front

What is an organ system?

Back

A group of organs that work together to perform complex functions for the organism.

Front

Define 'organism'.

Back

An individual living entity that can react to stimuli, reproduce, grow, and maintain homeostasis.