What happens to a paramecium when it is in a stressful situation?
It sexually reproduces
100
Where are lipids found in a cell?
Membranes
100
True or false
Paramecia are autotrophic
False
They are heterotrophic
100
True or false
A living system needs to self-replicate
True
200
Which organelle is responsible for propelling the paramecium through its environment and directing food to the oral groove?
Cilia
200
How does a paramecium maintain homeostasis?
Osmoregulation
200
What is a term used to describe phospholipids and why?
Amphipathic due to their hydrophilic heads and hydrophobic tails
200
Which organelle contains order?
Micronucleus
200
How does a paramecium maintain balance?
Osmoregulation
300
Which organelle maintains the amount of water in a paramecium?
Contractile vacuole
300
What is the process by which a paramecium obtains food?
Endocytosis
300
Which macromolecule is used for energy?
Carbohydrate
300
Why does a paramecium's growing rate decrease as it grows larger?
Diffusion
300
What process proves that a paramecium has a flow of energy, and is therefore, a living system?
Endocytosis
400
Which organelle is responsible for directing the cell's daily activities?
Macronucleus
400
What is the process by which a paramecium divides into two identical cells?
Binary fission
400
What are proteins composed of?
Amino acids
400
True or false
Paramecia reproduce both sexually and asexually
True
400
Which organelle controls a paramecium as an open system?
Plasma membrane
500
Which organelle is the result of the plasma membrane fusing with a food vacuole, creating an opening to the exterior of the cell where waste can be secreted?
Cytoproct
500
What is the process by which a paramecium's nucleus divides into two daughter nuclei?
Mitosis
500
Where are nucleic acids found in a paramecium?
Macronucleus and micronucleus
500
Name two organelles the species paramecia have developed over generations by evolving to their environment
Cilia and contractile vacuoles
500
What process causes organelles to move within the living system of a paramecium?