Can you put this in order from smallest to largest? the list is: chromosome, gene, organ system, tissue, organism, organ, nucleus, nucleotide base pair, cell.

Over time the trees in african have increased in length. many species have had to adapt to this change in order to survive. which of the following is a structural adaptation that has the african giraffe meet this change? question options: the african giraffe has become a faster at running from its predators. the african giraffe's neck has increased in size over the years. the african giraffe have moved to another part of africa. the african giraffe has not adapted and struggles to survive.

Pulmonary arteries carry highly oxygenated blood. true or false?

There are only about 250,000 known fossil species. true or false