Hierarchal Organization
brain
central nervous system
human being
nerve tissue
neurons
Organize the parts of this body system in the CORRECT order according to the levels of organization in a multicellular organism, simplest to most complex.
A. human being - central nervous system - brain - nerve tissue - neurons
B. brain - neurons - nerve tissue - central nervous system - human being
C. neurons - nerve tissue - brain - central nervous system - human being
D. nerve tissue - neurons - brain - central nervous system - human being
C. neurons - nerve tissue - brain - central nervous system - human being
What is the smallest unit that can carry on all functions of life?
A. cells
B. elements
C. molecules
D. organelles
A. cells
What is the primary function of the cell membrane in maintaining homeostasis?
A. It provides structural support.
B. It controls the movement of molecules in and out of the cell.
C. It produces energy for the cell.
D. It stores genetic information.
B. It controls the movement of molecules in and out of the cell.
Which statement describes what occurs in both animal and plant cells?
A. Nitrogen is used for respiration and oxygen is a waste product.
B. Oxygen is used for respiration and carbon dioxide is a waste product.
C. Nitrogen is used for respiration and carbon dioxide is a waste product.
D. Carbon dioxide is needed for respiration and oxygen is a waste product.
B. Oxygen is used for respiration and carbon dioxide is a waste product.
Carl's throat hurt. He could not swallow to eat so his mother took him to the doctor's. Doctor Roberts swabbed Carl's throat and rubbed the swab on a Petri dish. "What's that for?" asked Carl. Doctor Roberts told him that many time severe sore throats are caused by a specific __________ and culturing Carl's throat will help to identify it.
A. bacteria
B. fungi
C. protozoa
D. virus
A. bacteria
Jellyfish do not have a heart, true stomach, brain, or any other major organ. As a result, what else do jellyfish also lack?
A. cells
B. tissues
C. organ systems
D. cell organelles
C. organ systems
Which is NOT part of the Cell Theory?
A. All cells come from existing cells.
B. Microscopic organisms are not made of cells.
C. All living things are made of one or more cells.
D. Cells are the basic unit of structure and function in living things
B. Microscopic organisms are not made of cells.
Reproduction is one process that occurs in cells. Why is cellular reproduction important to living organisms?
A. It allows cells to produce waste products.
B. It stops cells from using too much energy.
C. It ensures organisms can grow, repair, and reproduce.
D. It reduces the size of the organism.
C. It ensures organisms can grow, repair, and reproduce.
Cells must carry out specific processes to stay alive. One of these processes involves extracting energy from food. Why do cells extract energy from food?
A. To store waste products safely inside the cell
B. To produce oxygen for the cell's environment
C. To power cell activities such as growth and repair
D. To allow the cell to increase in temperature
C. To power cell activities such as growth and repair
The flu is a disease caused by the flu virus. Many other diseases, like pneumonia, are caused by bacteria. Do all microorganisms cause harm to the human body?
A. No, only the flu virus can cause harm to the human body.
B. No, many microorganisms, like those in your gut, are beneficial.
C. Yes, any microorganism that enters your bloodstream will be harmful.
D. Yes, any microorganism that comes in contact with your skin will be harmful.
B. No, many microorganisms, like those in your gut, are beneficial
Which of the following statements best describes why each level of organization is vital to the organism?
A. Each level is required for all organisms to live and survive.
B. All cells form tissues, and all tissues form organs.
C. Each level can function independently from other levels.
D. Each level enables the system to function as a whole.
D. Each level enables the system to function as a whole.
According to cell theory, scientists do not classify a virus as living because it does not have
A. a membrane.
B. genetic material.
C. cellular structure.
D. any organic molecules.
C. cellular structure.
Which statement best explains how both plants and animals maintain homeostasis by extracting energy from food?
A. Plants use chloroplasts to convert sunlight into glucose, while animals consume food to obtain glucose for energy production.
B. Plants store energy in mitochondria, while animals store energy in chloroplasts.
C. Both plants and animals produce oxygen as a byproduct of energy extraction.
D. Both plants and animals use chlorophyll to capture energy from food.
A. Plants use chloroplasts to convert sunlight into glucose, while animals consume food to obtain glucose for energy production.
Triple Points!!!
Plants and animals use the oxygen in the air to turn food into energy. This life process is known as what?
A. digestion
B. excretion
C. growth
D. respiration
D. respiration
Bacteria and viruses have different mechanisms and machinery to survive and replicate. Because of this, there are different ways of treating bacterial and viral infections. What is a difference in the way that bacterial and viral infections are treated medically?
A. Viruses can be treated with antibiotics, bacteria cannot.
B. Bacteria can be treated with antibiotics, viruses cannot.
C. Vaccinations provide immunity from viruses, but not bacteria.
D. Vaccinations provide immunity from bacteria, but not viruses.
B. Bacteria can be treated with antibiotics, viruses cannot.
The stomach is an organ of the digestive system. It is made up of several types of tissue that work together. What kinds of tissue make up the stomach? Choose ALL that apply.
A. nervous
B. smooth muscle
C. dense connective
D. simple columnar epithelial
E. stratified squamous epithelial
A. nervous
B. smooth muscle
D. simple columnar epithelial
Spontaneous generation was once hypothesized as a method by which new cells arose. The cell theory replaced this hypothesis, stating that new cells come from preexisting cells. Which example provides support for spontaneous generation rather than the cell theory?
A. Fleas emerge from dust particles.
B. Offspring are born small but grow in size due to many rounds of cell division.
C. Tapeworms pass from one host to another as eggs are transmitted through unsanitary food.
D. A bacterial colony on a Petri dish can double in size in twenty-four hours as the cells divide.
A. Fleas emerge from dust particles.
Double points!!!
How do all organisms maintain homeostasis when there are unwanted material and waste in the cell or cells of the organism?
A. The organism keeps the waste for use as energy and food for later.
B. The organism allows all cells with too much waste to die.
C. The organism removes the waste through cellular functions.
D. The organism uses the unwanted material to make a new cell.
C. The organism removes the waste through cellular functions.
The cells in our body are actually quite similar to unicellular, organisms, like the one seen here. Feeding, removing waste, reproducing: all actions they both have in common. What else do we have in common with this unicellular organism?
A. movement
B. complexity
C. cell walls
D. cell organelles
D. cell organelles
This infectious disease is transmitted by a virus. Symptoms may vary, from a stuffy nose to coughing and a fever. This disease basically attacks the mucous membranes of the nose and throat but can attack the entire respiratory system. This infectious disease is
A. asthma.
B. diabetes.
C. strep throat.
D. the common cold.
D. the common cold.
Multicellular organisms have five levels of organization ranging from simplest to most complex. The simplest level is the cell. The most complex level is the organism. Consider the examples. Which one correctly gives an example of the other three levels in order from simplest to most complex?
A. blood → cardaic muscle → brain
B. heart → digestive system → organism
C. leukocytes (white blood cells) → veins → spleen
D. connective tissue → arteries → cardiovascular system
D. connective tissue → arteries → cardiovascular system
Cara and Chuck were looking at pond water through a microscope. They saw small square crystals in their slide. Cara wondered what it was. Chuck said it could not be any living thing because it was not
A. round.
B. moving.
C. small enough.
D. made of cells.
D. made of cells.
How do all organisms maintain homeostasis when there is unwanted material and waste in the cell or cells of the organism?
A. The organism keeps the waste for use as energy and food for later.
B. The organism allows all cells with too much waste to die.
C. The organism removes the waste through cellular functions.
D. The organism uses the unwanted material to make a new cell.
C. The organism removes the waste through cellular functions.
Which process releases energy instead of using energy?
A. A paramecium moves toward its prey.
B. A wound at the surface of the skin is repaired.
C. The kidney excretes waste and re-circulates water.
D. A sandwich is digested and converted to carbon dioxide and water.
D. A sandwich is digested and converted to carbon dioxide and water.
Two people are bitten by the same type of insect. Megan gets a small pin-sized wound, while Dave quickly gets a large, red welt. The MAIN reason for the different outcomes is
A. the location of the bites.
B. an immune response in Dave.
C. male and female differences.
D. better treatment of Megan's.
B. an immune response in Dave.