BIO 101 FINAL EXAM REVIEW

Front

What does a pH of 3 indicate about hydrogen ion concentration?

Back

It has a high H+ concentration.

Front

What is the purpose of the second part of a binomial name in the binomial system of nomenclature?

Back

Identifies the species.

Front

Why are saline solutions used during medical transfusions?

Back

They are isotonic to the cells.

Front

What is the process by which water moves across a selectively permeable membrane?

Back

Osmosis.

Front

What category do animals that depend on other organisms for food fall into?

Back

Consumers.

Front

Define pH.

Back

A measure of the acidity or alkalinity of a solution, on a scale of 0 to 14.

Front

What is osmosis?

Back

The movement of water across a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.

Front

What are producers in an ecosystem?

Back

Organisms that produce their own food, typically through photosynthesis.

Front

What is the role of consumers in an ecosystem?

Back

Organisms that obtain energy by consuming other organisms.

Front

Define isotonic solution.

Back

A solution with the same solute concentration as another solution, resulting in no net movement of water.