Cells
What is the smallest unit of life?
CELLS
Similar cells group into tissue, and tissues group into ____________.
organs
True or false:
Energy can be created and transferred.
False, energy cannot be created or destroyed, only transferred.
Stimulus causes a .....
response.
What type of energy do plants absorb?
Light energy
What does a mango tree and an orca whale have in common?
They are both made out of cells.
Which body system offers structure and support to the body?
Skeletal System
What type of energy do humans, and all other mammals give off at all times as a byproduct of using chemical energy?
Thermal energy
Give an example of stimulus and response:
You are hungry so you eat, you are scared so you jump, you are cold so you put on a sweater.....
What gas is needed for photosynthesis, and what gas is released after photosynthesis?
Carbon dioxide is needed, oxygen is released.
What is the difference between a prokaryotic and eukaryotic cell?
Prokaryotic cells do not have a nucleus, eukaryotic cells do have a nucleus.
What is the largest organ of the human body?
Skin
When you are tired, hungry, and feeling weak, chances are you are low on what type of energy?
Chemical energy
Internal or external stimulus? Internal or external response? A bright light is suddenly shined in your eyes so your squint.
External stimulus, internal response.
Where does photosynthesis take place?
Chloroplast / chlorophyll in the leaves of plants.
What does the nucleus of a cell hold?
DNA, genetic information, chromosomes, and instructions for all other organelles.
Which body system responds to stimulus?
Nervous System
What type of energy is reflected off of the Moon?
Light energy
What stimulus would cause an eagle to migrate across the country?
Cold temperatures, lack of food, mating seasons, better resources for survival during different times of year, etc...
Where does carbon dioxide enter the plant?
The stomata, the microscopic openings on the bottom of leaves.
List all three statements of Cell Theory:
1. The cell is the smallest unit of life.
2. All living things are made of one or more cells.
3. All new cells come from pre-existing cells.
The nucleus controls all other organelles and functions of the cell, which is similar to which body system?
Nervous System
What type of energy do you gain when you eat food?
Chemical energy
What type of response do animals such as bears, squirrels, and hedgehogs do in order to survive winter?
Hibernation
List all requirements, and what they are turned into during photosynthesis.
Sunlight, carbon dioxide, and water are converted into glucose (sugar) and oxygen during photosynthesis.