Biology Chapter 1

Front

The study and manipulation of DNA on a molecular level is known as __________

Back

molecular genetics.

Front

During an experiment, which factors are observed and measured?

Back

dependent variables

Front

Scientists use observations and data to form and test ______________.

Back

hypotheses

Front

The variety of life across the biosphere is called ________.

Back

biodiversity

Front

All the chemical processes used to build up or break down materials are called an organism’s ___________

Back

metabolism.

Front

What is the name given for genetic changes in living things over time?

Back

evolution

Front

How have computer models expanded biological research? Options: They help scientists design better experiments., They simulate complex biological systems that cannot be studied directly., They give scientists the ability to observe molecules directly., They allow the use of human experimental subjects.

Back

They simulate complex biological systems that cannot be studied directly.

Front

Both of the processes shown in Figure 1.2 use and apply biological processes. Both processes are examples of:

Back

biotechnology.

Front

Exploring how indoor air pollutants lead to respiratory problems is an example of using biology to _______________. Options: develop biotechnology., monitor global change., improve human health., make ethical decisions.

Back

improve human health.

Front

Similar organisms that can reproduce by interbreeding belong to the same _________.

Back

species