Structures that are derived from a common ancestor but with different appearance and function are called___ structures, while ___ structures refers to structures that have little or no function but were functional in an ancestor.

Asexual reproduction forming a small protuberance that will become a clone of the parent organism is called

Explain what is a pathogen and why it can make someone sick?

The size of a food chain can vary, but the number of levels that a food chain can reach is limited. Why does this limit exist? Plants are not infinite in number. Producers are limited by consumers. Carnivores are too large to be eaten.

At what angle relative to the velocity of a red blood cell should the transducer be held during Doppler ultrasound to most accurately determine blood velocity?

What piece of evidence would cause scientists to decide that the cell theory would need to be revised?

What are unicellular prokaryotes that live in dust?

Why is dna replication important to the growth and development of a multicellular organism

The idea of organism changing over time to form new organism led to the theory of

Prokaryotic cells are distinguishable from eukaryotic cells because prokaryotes do not contain:

You and your colleagues are constructing a pedigree for a boy with cystic fibrosis. The individual's younger brother has also been diagnosed with cystic fibrosis.