Living or Nonliving
Which characteristic of life refers to keeping internal conditions stable?
What is homeostasis?
Who first used the term cell after observing cork?
Who is Robert Hooke
Put these in order from simplest to most complex: organ, cell, organ system, tissue.
What is Cell → Tissue → Organ → Organ System ?
Give one piece of evidence for viruses being living and one piece of evidence against viruses being living.
For: contain genetic material/evolve/reproduce in hosts. Against: not made of cells/cannot reproduce independently/do not maintain homeostasis.
Which macromolecule is important for long-term energy storage and insulation?
What is lipids?
A plant bends toward sunlight as it grows. Which characteristic of life does this demonstrate?
What is Response to stimuli?
Which scientist concluded that all plants are made of cells?
Who is Matthias Schleiden?
The heart contains cardiac muscle tissue, nervous tissue, and connective tissue working together. What level of organization is the heart?
What is an organ?
Give one piece of evidence that could be used to argue that viruses are living.
They contain genetic material, reproduce inside hosts, or evolve.
DNA and RNA belong to which macromolecule group?
Nucleic acids
A bacterium divides into two new bacterial cells. Which characteristic of life is demonstrated?
What is Reproduction?
Which scientist concluded that all animals are made of cells?
Who is Theodor Schwann?
A group of similar cells working together forms what?
What is tissue?
Why does a virus need a host cell?
What is it needs a host cell or It needs the host's cellular machinery to reproduce.
Which macromolecule is the body's main source of quick energy?
What is Carbohydrates?
Fire uses energy, grows, and can spread. Give one important reason fire is still considered nonliving.
What is It is not made of cells / does not contain genetic material?
Which scientist stated that cells come from pre-existing cells?
Who is Rudolf Virchow?
The stomach, small intestine, large intestine, liver, and other organs work together to digest food. What level of organization do they form?
What is Organ system / Digestive system?
What type of genetic material can be found inside a virus?
What is DNA or RNA
Which macromolecule is the body's main source of quick energy?
What is Carbohydrates ?
A scientist discovers an object that uses energy, contains DNA, responds to its environment, and is made of cells. Based on these observations, how should it most likely be classified?
What is Living?
State the three major tenets of cell theory.
What is 1. All living things are made of cells. 2. Cells are the basic unit of structure/function. 3. All cells come from pre-existing cells. ?
Complete the organization pathway: muscle cell → ______ → heart → ______ → organism.
What is Muscle tissue → circulatory/cardiovascular system?
Are viruses made of cells?
A student eats chicken, bread, and butter. Match each food with the macromolecule it most strongly represents.
Chicken = protein; bread = carbohydrate; butter = lipid