13. Nested. Hlerarchies Nested hierarchies is a term blologists use to describe how groups of related organisms share sultes of
and the number of shared traits
with relatedness,
Using the diagram (cladogram), Identify the organisms most closely related to the organism given.
Snakes
Birds
Chimpanzees
Are snakes more closely related to birds, or whales?
Are crocodiles more closely related to lizards or camels?

Which flexible structure that supports the nerve cord and led to the backbone

The oxidizing agent our bodies use to obtain energy from food is oxygen (from the air). if you breathe 15 times a minute (at rest), taking in and exhaling 0.5 l of air with each breath, what volume of air do you breathe each day? air is 21% oxygen by volume. what volume of oxygen do you breathe each day?

Can you identify which of the following groups of organisms are, or are not, populations? a. the american bison (bison bison) and grey wolves (canis lupus) currently living in yellowstone national parkb. all of the rainbow trout (oncorhynchus mykiss that) that have ever lived in lake eriec. the group of american bison (bison bison) currently living in yellowstone national parkd. a group of calliope hummingbirds (selasphorus calliope) and a group of rufous hummingbirds (selasphorus rufus) living in the same new hampshire woodse. the northern cardinals (cardinalis cardinalis) living on opposite shores of lake champlain f. all of the whales currently living in the atlantic ocean off cape cod, massachusetts