The lungs are

A - divided into nine lobes.

B - divided into seven lobes.

C - separated by the mediastinum.

D - connected by the mediastinum.

Looking at the phylogenetic tree

Fish fall into each of the following categories except which one? A. jawless B. amphibious C. bony D. cartilaginous

Do Protists have antibiotic properties?

If the base pairs in a DNA strand were held together with covalent bonds instead of hydrogen bonds, how would cells have to operate differently? A) New DNA would need to be made each time the strand was opened.

Is a cell of an oak leaf prokaryotic or eukaryotic?

Living near the ocean is great because the weather is mild. this is because

Allowing selected molecules move in and out of the cell as a function of what?

During transcription from DNA to RNA, which base occurs only in RNA a. uracilB. thymineC. adenineD. cytocine The center of the DNA molecule, the rungs of the ladder, are composed of

Pom Which of the following sequences best represents life's organization? O organ - tissue - cell - organ system cell - tissue - organ-organ system cell - organ - tissue - organ system cell - organ system - organ - tissue

Scientific research shows that our global climate is changing. Ocean temperatures and acidity are increasing, and the global sea level is rising. Which of the following best predicts an outcome of this global climate change in a marine ecosystem?