Biology Final

Science differs from other disciplines, such as history and the arts, because science relies on?

testing explanations.

Science is best described as?

a way of knowing

The work of science usually begins with?

careful observations

During a controlled experiment, a scientist isolates and tests?

a single variable

A student sees a bee on a flower. the student wonders how the bee finds flowers, this student is displaying the scientific attitude of

curiosity

Why is creativity considered a scientific attitude?

Creativity helps scientists come up with different experiments.

Suppose a scientist must choose whether to publish a report in a newspaper or in a peer-reviewed journal. What is a benefit of publishing in the journal?

The reviewers will fix mistakes in the report’s experiment

Who reviews articles for peer reviewed journals?

the scientists who did the experiments.

How does sharing ideas through peer- reviewed articles help advance science?

scientists reading the article may come up with new questions to study.

A theory

may be revised or replaced

How do scientific theories compare to hypotheses?

Theories unify a broad range of observations and hypotheses

Which of the following is NOT a way that science influences society?

Science gives society answers to difficult ethical issues.

Which of the following is NOT a characteristic of all living things?

ability to move

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.

The process by which organisms keep everything inside their bodies within certain limits is called?

homeostasis

Would a scientist who studies evolution also have to learn about other branches of biology? Why or why not?

Yes because the different branches of biology are interrelated.

what are the smallest objects biologists study

molecules

Biologists who work in the fields of genomics and molecular biology study?

DNA

The standard or English system of measurement uses units such as yards, miles, quarts and gallons. The metric system system uses units such as meters, kilometers, milliliters and liters. Why is the metric system easier to use than the english system?

The metric system is based on multiples of 10

Which of the following is NOT a principle of the cell theory?

very few cells are able to reproduce

Colors seen in images made from microscopes are?

added to make certain structures easier to see?

Which of the following is a function of the nucleus?

Storing DNA

Which of the following is a function of the nucleus?

chromatin

Which of the following is a function of the cytoskeleton?

helps a cell keep its shape

Which structures are involved in cell movement?

microtubules and microfilaments.

Which Organelle would you expect to find in plant cells but not animal cells

chloroplast

The primary function of the cell wall is to?

support and protect the cell

You will NOT find a cell wall in which of these kind of organisms?

animals

Which of the following structures serves as the cell’s boundary from its environment?

cell membrane

The diffusion of water across a selectively permeable membrane is called?

osmosis

An animal cell that is surrounded by fresh water will burst because the osmotic pressure causes?

Water to move into the cell.

Which term describes the relatively constant internal physical condition of an organism?

homeostasis

Which of the following is an example of an organ?

heart

A group of similar cells that perform a particular function is called?

tissue

An organ system is a group of organs that?

work together to perform a specific function

Which list represents the levels of organization in a multicellular organism from the simplest level to the most complex?

Cells → Tissues → Organs → Organ System

Which of the following organisms make its own food using light energy from the sun?

Oak

What organism is a heterotroph?

Mushroom

What happens during Photosynthesis?

Heterotrophs produce ATP

Plants get the energy they need for photosynthesis by absorbing?

sunlight

Where in the chloroplast is chlorophyll found?

in the thylakoid membrane

What is NOT found in the overall reaction for photosynthesis?

nitrogen

What are the products of the light-dependant reactions?

ATP, NADPH, and Oxygen

How do organisms get the energy they need?

By breaking down food molecules gradually and capturing their chemical energy

Which of the following is NOT a stage of cellular respiration?

fermentation

What is the correct equation for cellular respiration?

food molecules

Cellular respiration is called an aerobic process cause it requires?

oxygen