Chapter 4- Biology Flashcards
What is the study of living things called?
Biology
What are the three domains of life?
Bacteria
Archaea
Eukaryotes
What does the cell theory state?
All living things are composed of one or more cells; the cell is the basic unit of life; and new cells arise from existing cells.
Who first coined the word “cell”?
Robert Hooke
What did the person who first discover cells look at to find them?
A cork tree
What structure controls what passes in and out of the cell?
Cell membrane
What is a group of cells organized to do a specific job called?
Tissue
What is the smallest unit of life?
Cells
A structure in a plant or animal that is made up of different tissues working together to perform a specific job is called what?
An organ
A group of organs that work together to perform a function that helps the body meet its needs for energy and materials is called what?
An organ system
The organ system that has glands and produces hormones is called what?
The endocrine System
The muscles of the body that work with the skeletal system for movement are called what?
The muscular system
The organ system that filters waste from the blood and excretes it as urine is called what?
The urinary system
The system that brings us oxygen and removes carbon dioxide is called what?
The respiratory system
The framework of Bones that supports the body, protects the organs, and anchors the body’s movements is called what?
The skeletal system
