Anatomically similar structure inherited from a common ancestor.

Basic Microbiology
A biological community and all the abiotic factors that affect it is known as a(n)
A biological community and all the abiotic factors that affect it is known as a(n)
__________ is an organism whose cells contain complex structures enclosed within membranes.
__________ is an organism whose cells contain complex structures enclosed within membranes.
Large group of ecosystems that share the same climate and have similar types of communities
Large group of ecosystems that share the same climate and have similar types of communities
Scientists think that ____________ were the first cells.
Scientists think that ____________ were the first cells.
The amount of time required for 50% of a radioactive isotope to decay is
The amount of time required for 50% of a radioactive isotope to decay is
An organism that eats decomposed parts from plants and animals is a ____________
An organism that eats decomposed parts from plants and animals is a ____________
A simple model that shows how energy flows through an ecosystem
A simple model that shows how energy flows through an ecosystem
A model representing the many intersecting food chains and pathways in which energy flows through a group of organisms
A model representing the many intersecting food chains and pathways in which energy flows through a group of organisms
A diagram that can show the relative amounts of energy, biomass, or number of organisms in each trophic level in an ecosystem
A diagram that can show the relative amounts of energy, biomass, or number of organisms in each trophic level in an ecosystem