Atoms to Organisms
Describe the hierarchical organization of organisms starting from atoms.
Atoms, molecules, cells, tissues, organs, organ systems, organisms
What is the basic unit of life according to the cell theory?
Cells
Which organelle is responsible for energy production in both plant and animal cells?
Mitochondria
How do the circulatory systems and respiratory systems interact to maintain homeostasis?
The circulatory system transports oxygen from the respiratory system to the cells.
What is the role of the digestive system in maintaining homeostasis?
It breaks down food into nutrients for energy
Describe the relationship between cells and tissues.
Tissues are made up of different types of cells working together.
Which part of cell theory explains the origin of new cells?
All cells come from pre-existing cells
What is the job of the cell membrane?
Controls the movement of substances into and out of the cell.
Which system is responsible for transporting oxygen and nutrients to cells in the body?
Circulatory system
How do the nervous and musculoskeletal systems work together to maintain homeostasis?
The nervous system controls movement and coordination of the musculoskeletal system.
In complex, multicellular organisms, cells are arranged into groups called ____________ and these things are arranged into groups called ___________ and these things are arranged into groups called __________ and these things are arranged into groups called _________.
Tissues
Organs
Organ systems
Organisms
Describe a scientific theory.
A theory is a well-substantiated explanation of natural phenomena.
What is the organelle responsible for photosynthesis found in plant cells?
Chloroplast
What is the function of the nervous system?
To send signals throughout the body.
Explain how the excretory system contributes to homeostasis.
It removes waste products from the body
Organs, like the lungs, heart, or skin, work together as part of a
Organ system
Why is cell theory only considered to be a scientific theory versus a scientific law.
Scientists are still able to discover new information that would update the theory.
Which statement best describes the function of the nucleus in a cell?
It controls the cell's activities and contains DNA
Identify the type of infectious agent that is a single celled organism and can be treated with antibiotics.
Describe how the immune systems interacts with other systems to maintain homeostasis.
The immune system protects against disease and works with other systems to repair tissues.
Fill in the blank: Atoms -> _________ -> Cells -> Tissues-> Organs -> Organ systems -> Organisms
Molecules
Do theories or laws change over time?
Theories can change, but laws remain constant.
What is the primary function of vacuoles in plant cells?
To store nutrients and waste products
What type of infectious agent is known for being the smallest and requires a host cell to reproduce?
Virus
What describes the body's ability to keep the internal balance of the body stable?
Homeostasis