Cells
Viruses and bacteria
Protists
Animals 1
Animals 2
100
What is the outer boundary of the cell?
Cell membrane.
100
Noncellular particle made up of genetic material that can invade living cells.
Virus
100
Unicellular eukaryotic organism belonging to the kingdom Protista.
Protist
100
Animals that do not have a backbone.
What is invertebrates.
100
Most ancient of all animals.
Sponges
200
What is the control center of the cell?
Nucleus
200
A virus invades a cell, replicates, and bursts releasing more viruses.
Lytic infection
200
Members of this phylum contain cillia.
Cilliophora
200
A multicellular eukaryotic heterotroph whose cells lack a cell wall.
An animal.
200
Stinging structure on the tentacles of cnidarians that is used to paralyze or kill prey.
Nematocysts
300
Organisms who lack a nucleus.
Prokaryotes
300
An organism that depends entirely upon another living organism for its existence in such a way that it harms the organism.
Parasite
300
Members of this phylum reproduce by spores.
Sporozoa
300
Arrangement of body parts that repeat around an imaginary line drawn through the center of their body
Radial symmetry
300
Protect shorelines from erosion.
Coral reefs
400
Molecules move from a higher concentration to lower concentration.
Diffusion
400
The two kingdoms of bacteria
What is eubacteria and archaebacteria.
400
Contains an eyespot to detect light.
Euglena
400
Gathering of sense organs and nerve cells into the head region.
Cephalization
400
Cells that detect light and dark in simple animals.
Ocelli
500
Organelle that contains chemicals and enzymes to digest materials in a cell.
Lysosomes
500
Organisms that require a constant supply of oxygen to survive.
Obligate aerobes
500
70 percent of the oxygen we receive comes from these.
What is phytoplankton.
500
Form on the inside walls of the sponge’s central cavity and create a current using flagella.
Collar cells
500
Carry the male and female reproductive organs in tapeworms.
Proglottids
M
e
n
u