Living Nonliving
The development of a frog is an example of what characteristic of life?
grows and repairs
The science definition of living is...
something that has/does all six characteristics of life
Living things made of only one cell are known as _______________ organisms.
unicellular
Which type of cell does not have a nucleus?
prokaryotic
the cell
Explain how each type of organism obtains and uses energy.
plants -->
animals -->
fungi -->
plants --> make it
animals --> eat it
fungi --> absorb it
dormant
Living things made of two or more cells are known as ___________________ organisms.
multicellular
Which type of cell has membrane bound organelles?
eukaryotic
True
What are the two types of reproduction? Explain them.
asexual: requires one parent and creates clones
sexual: requires two parents and makes unique offspring
Chair, desk, lightbulb are examples of...
nonliving items
unicellular: protists, yeast, bacteria
multicellular: plants, animals, humans
What shape is the DNA of eukaryotic cells and where is the DNA located?
twisted helix
located in the nucleus
How did Robert Hooke contribute to the creation of the cell theory?
He observed cork and saw tiny spaces that looked like little rooms. He called those little rooms cells.
Define homeostasis and give an example of it in the human body.
homeostasis: maintaining a stable and healthy internal environment
examples: sweating to reduce internal body temperature and digesting food for energy
Leaves that have fallen off of a tree are known as...
dead
In which type of organism is injury life threatening?
unicellular or multicellular
unicellular
Which type of cell is smaller and reproduces asexually?
prokaryotic
List the four things all cells need to survive.
1. food
2. water
3. waste disposal
4. proper environment
There are two types of responding to the environment. List and provide examples of each.
internal: feeling hungry, feeling thirsty
external: temperature, light, sound
Explain the difference between nonliving and dead.
nonliving: something that has never been alive
dead: something that was alive but is no longer living
List two differences between unicellular and multicellular organisms.
unicellular: made of one cell, have organelles that do jobs, once cell carries out all functions of life, simple, some have a flagella to help them move, injury can be life threatening
multicellular: made of many cells, each type of cell has a specific job, each cell has organelles that help it do its job, cells can be replaced if damaged
True or False: Eukaryotic cells do not require oxygen to survive and thrive.
False
List the three parts of the cell theory.
1. cells are the basic unit of all living things
2. all living things are made of cells
3. all cells come from pre-existing cells