What are the basic units of life?
Cells
Name 1 type of helpful microorganism.
Ex: bacteria, fungi, algae
Ex: Yeast
What is an inherited trait?
A characteristic passed down from parents to offspring.
What instruments are used to view cells?
Microscopes
What is an example of a harmful virus?
What harmful effect can algae have?
They can produce toxins and contaminate water.
What is an acquired trait? Give 1 example.
A characteristic gained after birth. Ex: scars
What do cells contain that have specific functions necessary to live?
Organelles
What organelle is known as the "boss" of the cell?
Nucleus
What type of microorganism is known for causing malaria?
Protozoa
How can viruses be beneficial?
What is a learned behavior? Give 1 example.
A behavior an animal learns through experience. Ex: Riding a bike
What is the role of the nucleus in a cell?
It controls all of the cell's activities.
What is the function of the cell membrane?
It protects and controls what goes in and out of the cell.
How can bacteria be beneficial?
It breaks down dead organisms or makes food
What is a harmful effect of protozoa?
They can cause dangerous diseases.
What is a gene?
Part of the chromosome that contains DNA and determines traits like hair color.
What 2 organelles that plants have that animal cells do not have?
Cell wall and chloroplasts
What is the gel-like substance that holds organelles together?
Cytoplasm
What type of microorganism can produce oxygen?
Algae
Describe 1 way bacteria can ruin food.
They can cause food to spoil and make humans sick.
How many chromosomes do humans have?
46 total chromosomes (23 pairs)