Characteristics of Living Things
What is NOT characteristic of a living thing?
Eat food ( gain energy is a characteristic!)
If a cell has a cell wall, what type of plant is it?
A plant cell
Which system is responsible for breaking down food into smaller particles?
Digestive system
What type of membrane allows some substances to pass but blocks others?
Selectively permeable membrane
What part do you grab on to when lifting a microscope?
The arm
When an organism reacts to a change in its surroundings it is called?
Responding to the environment
What structure in a plant cell performs photosynthesis?
Chloroplasts
Which is NOT part of the respiratory system:
Trachea
Aveoli
Diaphragm
Esophagus
Esophagus
Diffusion is when molecules move from ______ to _____ concentration
High to low
Which organ is responsible for filtering waste from the blood?
Kidneys
What is one way we can tell if an organism is alive?
• need energy
• respond and adapt to their environment
• reproduce
• grow
• produce wastes
Which organelle contains genetic material and controls all cell activities?
Nucleus
What system transports nutrients throughout the body?
Circulatory system
Diffusion
Which body system is responsible for responding to external stimuli
Nervous system
What is the basic unit of all life?
A cell
Which organelle is responsible for storing water and nutrients in a cell?
Vacuole
Which system gets rid of nutrients the body no longer needs?
What process moves water from high water concentration to low water concentration through a membrane?
Osmosis
What do red blood cells carry throughout the body?
What is the organization of cells?
Cells --> Tissue --> Organ --> Organ Systems --> Organisms
Which organelle is responsible for energy production in the cell?
Mitochondria
Which two body systems work together for gas exchange AND transport?
You must give both to get points!
Respiratory and Circulatory
What process moves nutrients in and out of cells due to different concentrations?
Diffusion through the cell membrane
How do oxygen and carbon dioxide exchange in the lungs?
Through the alveoli by diffusion