Both crossing over and point mutation

Crossing over

Point mutations

Neither crossing over nor point mutation

By targeting their host cell for cell death

By digesting the host cell they infected

By taking the nutrients of the host cell they infected

By using the cellular machinery of the host cell they infected

There is no such thing as a plant organ; organs are only found in animals.

A group of tissues that work together to perform a specific function

A group of systems that work together to perform a specific function

A group of cells that work together to perform a specific function

control

umbrella

keystone

invasive

Formation of life from nonliving materials

Formation of self-replicating molecules

Formation of life from other sources of life

Formation of polymers from organic monomers

retrovirus

corona virus

bacteriophage

prion