Biology: 2021 Final Review

What is the first step in completing the scientific method?

• Form a hypothesis

• Design a controlled experiment

• Make observations and ask questions

• Draw conclusions

The scientific method is all of the following EXCEPT:

• Used everyday

• Used only by scientists

• Used to solve problem

• Uses several steps

Information gathered from watching a plant grow 2cm in a week is called what?

• Variables

• Data

• Hypothesis

• Theory

Tree finches and ground finches, two different species of birds, have been shown to come from a single ancestor. This displays which characteristic of life?

• Living things evolve and change over time

• Living things reproduce

• Living things have metabolism

• Living things have homeostasis

Which of the following characteristics of living things best explains why some North American birds fly south for the winter?

• Living things respond to their environment

• Living things evolve

• Living things are made up of units called cells

• Living things are composed of an universal genetic code.

Which of the following characteristics of living things best explains why humans sweat when they get hot?

• For growth and development

• To maintain a stable internal environment

• To use energy

• To reproduce

The combination of chemical reactions through

which an organism builds up or breaks down

materials as it carries out its life processes is called ...

• absorption

• metabolism

• digestion

• consumption

Cells in multicellular organisms have many different sizes and shapes, these differences in cells are called cell differentiation. Cell differentiation allows cells to...

• reproduce

• respond to their environment

• perform different jobs and functions

• be less complex

The branch of biology dealing with interactions among organisms and between organisms and their environment is called

• economy
• recycling
• modeling
• ecology
• none of the above

A group of individuals of the same species that interbreed make up a _____.

• species
• gene pool
• population
• genetic drift
• none of the above