Answer:When we draw a phylogenetic tree, we are representing our best hypothesis about how a set of species (or other groups) evolved from a common ancestor^1
1
start superscript, 1, end superscript. As we'll explore further in the article on building trees, this hypothesis is based on information we’ve collected about our set of species – things like their physical features and the DNA sequences of their genes.
Explanation:
Answer:organisms that happen to share a common trait, even though they evolved
Explanation: polyphyletic groups have similar characteristics but
that have been grouped together
They do not share an immediate common ancestor.
Mammalia (mammals) have hair or fur and produce milk
Protist are eukaryotic organisms that cannot be classified as a plant animal fungus. They are mostly unicellular, but some like algae, are multicellular. Kelp, or “seaweed” is a large multicellular protist that provides food, shelter, and oxygen for numerous underwater ecosystems.
Answer:
They contain different genetic material.
Explanation:
DNA viruses contain DNA for genetic material while RNA viruses contain RNA. When RNA viruses enter a host cell, they must convert their RNA into DNA. DNA viruses change the biochemical functions in the nucleus for DNA replication and creates RNA that controls the proteins needed by the DNA virus (capsid).
