The human body is made up of four types of tissues. Which of the following structures make up tissues?
Question 15
15.
Question 16
16.
Question 17
17.
Question 18
18.
Question 19
19.
Question 20
20.
something in the environment that causes a reaction in an organism
energy
stimulus
homeostasis
reproduction
Homeostasis is the body's stable, internal environment
True
False
The ability to change or move matter
energy
stimulus
wind
muscles
Asexual reproduction is when parents of different sexes mate to produce an offspring
True
False
The material inside the cell membrane is
the cell membrane
cytoplasm
DNA
Protein
The nucleic acid found in cells is called
DNA
Cell membrane
Cytoplasm
Jelly
A thin coat of phospholipids that surround the cell
DNA
Cell membrane
Cytoplasm
Jelly
Which statement about cells is true?
All cells have a nucleus
all cells come from other cells
All things are composed of cells
All cell contain organs and tissues
What is the smallest unit of an organism that is classified as living?
A cell
An Atom
an organ
A molecule
Which of the following is the characteristic that all organisms have in common?
All organisms are multicellular
All organisms are made up of cells
All organisms have cells with a nucleus
All organisms can make their own food
Which observation directly contributed to the cell theory stating that all organisms are made of one or more cells?
Robert Hooke's observation of tiny boxlike structures.
Anton van Leeuwenhoek's observation of pond scum.
Rudolf Virchow's observation with a microscope of cells dividing.
Theodor Schwann's observation with a microscope of animal tissues.
Which of the following statements are part of cell theory?
Select all that apply.
All cells are parts of tissues.
All cells carry on life activities.
All new cells come from pre-existing cells.
All organisms are made up of one or more cells.
single-celled organisms without an organized nucleus
bacteria
prokaryotic cells
animal cells
humans
an organelle in a plant cell that turns energy from the sun into chemical energy for the plant to use
Chloroplast
Green pancakes
Chlorophyll
Mitochondria
a type of cell with a nucleus enclosed by a membrane as well as membrane-enclosed organelles
Eukaryotic cell
Prokaryotic cell
Amoeba
Fungus
the process in which plants and some other organisms use the energy in sunlight to make food
photosynthesis
light reactions
respiration
sun tanning
a set of statements or principles devised to explain a group of facts or phenomena, especially one that has been repeatedly tested or is widely accepted and can be used to make predictions about natural phenomena