1..
the smallest level of organization in living things is
the atom.
the cell.
the small tissue.
the nervous system.
2.
a group of cells working together make up a(n)
organ
organ system
tissue
molecule
3.
an organ system is made up of
a group of organs working together.
a group of tissues working together.
a group of atoms working together.
a group of cells working together.
4.
an organism is made up of
a group of cells working together.
a group of tissues working together.
a group of organ systems working together.
a group of atoms working together.
5.
all of the following are a part of the cell theory except
all organisms are made of cells.
all cells come from other cells.
all cells are exactly the same.
cells are the basic unit of life.
6.
which of the following is a unicellular organism?
a turtle
a flea
a cat
a bacteria
7.
an organism that contains multiple cells is known is correctly known as a
multicellular organism.
multi-tissue organism.
several cell organism.
multiple cell organism.
8.
the process of cells dividing into new, identical cells is known as
mitosis
cellular replication
homeostasis
cell birth
9.
which of the following is not true of cells?
cells are living.
not all cells are the same.
some cells are living and some cells are not.
cells have the seven properties of life.
10.
organelles in cells are similar to in humans.
atoms
nerves
organs
cells
11.
this organelle contains the information to run the cell.
dna
nucleus
vacuole
mitochondria
12.
which of the following organelles is found in plants cells but not in animal cells?
cell membrane
cell wall
nucleus
mitochondria
13.
which of the following organelles is responsible for breaking down food into energy?
nucleus
cell membrane
mitochondria
endoplasmic reticulum
14.
the cell membrane maintain in the cell by controlling what comes in and out of the cell.
proper organelle levels
homeostasis
proper size
temperature
15.
what is homeostasis?
homeostasis is when cells extract energy from food.
homeostasis is when cells maintain internal balance.
homeostasis is when cells grow.
homeostasis is when cells reproduce.
16.
the system is responsible for protecting the body against infection.
immune
respiratory
circulatory
nervous
17.
which body system is responsible for bringing oxygen into the body?
the digestive system
the respiratory system
the circulatory system
the musculoskeletal system
18.
the system extracts energy from food.
circulatory
respiratory
musculoskeletal
digestive
19.
the nervous system is responsible for
delivering oxygen to the body.
moving blood around the body.
passing information from the brain to the rest of the body.
fighting off disease.
20.
which body system is responsible for transporting nutrients to the different parts of the body?
the digestive system
the respiratory system
the circulatory system
the musculoskeletal system
21.
viruses are the only infectious agents that are
living.
deadly.
not living.
naturally occurring.
22.
which of the following is a way your body fights a bacterial infection?
fever
shivers
sweats
increased heart rate
23.
which of the following levels of classification is the least specific?
domain
kingdom
class
species
24.
domains are broken down into
species
class
phylums
kingdoms
25.
which level of organization is the largest?
domain
kingdom
genus
species