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Biology Savvas Semester Exam Questions and Answers 100% Solved
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Biology Savvas Semester Exam Questions and Answers 100% Solved Modern scientists continue the tradition of the Greek philosopher in their efforts to understand the world around them. They know that the universe consists of objects, organisms, and processes that interact in many different ways,...

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  • October 20, 2024
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  • 2024/2025
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©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.

Biology Savvas Semester Exam

Questions and Answers 100% Solved


Modern scientists continue the tradition of the Greek philosopher in their

efforts to understand the world around them. They know that the universe

consists of objects, organisms, and processes that interact in many

different ways, and proper scientific methods can help this understanding.

Which two statements state the goals of science? - ✔✔A goal of science is

to generate testable explanations for events in the natural world.

A goal of science is to make useful predictions about natural events , and

to understand patterns in nature by using explanations supported by data

Scientific methodology is a well-established method used to study

biological systems and conduct experiments leading to valid results. In the

methods of science, which step generally comes before the other three

steps? - ✔✔developing a hypothesis

Kari is testing the hypothesis that plants rely on photosynthesis to grow,

She conducts an experiment in which she observes the sprouting and

,©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.

growth of bean seeds. The beans are raised either in sunlight or darkness.

She records her observations in a data table. Which statements from Kari's

records convey qualitative data, and not quantitative data? Choose all that

apply. - ✔✔The beans in the control group have a white spot on day 2

The beans in the control group feel soft on day 2

The beans of both groups appear equally green and healthy on day 1.

The famous scientist Albert Einstein sometimes used "thought

experiments" such as imagining himself chasing a beam of light or riding an

elevator in free fall. These thought experiments, which would not be

possible to conduct physically, helped him challenge current scientific

thinking and develop his theories of gravity and of special relativity. Write

the words or phrases from the box on the lines to complete the paragraph. -

✔✔In actual physical experiments, scientists must select equipment (E)

carefully and avoid errors (A) in data collection and analysis. There is

variation in nature, so the larger the sample size (D) , the more accurately

researchers can determine dissimilarities within each group, and analyze

variances between experimental groups and controls. When interpreting

data, researchers use statistical analysis (F) to decide if an experimental

treatment is significantly different from the control group. When drawing

,©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.

conclusions, the hypothesis (B) being tested may either be supported, or

refuted and revised (C) to be tested again.

When, if ever, can a scientific theory becomes a scientific law? - ✔✔never,

under no circumstances

A scientist is designing an experiment on tomato plants. Which is the best

example of hypothesis that the experiment could test? - ✔✔Increasing the

amount of sunlight that a tomato plant receives will increase its height.

Francesca, a PhD candidate, conducts extensive research on aluminum

corrosion. When finished, she will submit her research data and

conclusions in a report to a scientific journal for peer review. What are three

benefits of peer review? Select three answer choices. - ✔✔Peer review

allows other scientists the chance to try and replicate the experimental

results

Peer review can lead to new ideas and further study.

Peer review helps check for mistakes, bias, or fraud in a set of

experimental work.

Society expects scientists to follow ethical practices and meet many ethical

standards. Which is an example of one of those ethical standards? -

, ©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.

✔✔Analyze data that was truly observed, and not data that was expected

or desired.

Scientists are often faced with ethical questions, or questions of right and

wrong. Which of the following situations involve the need for an ethical

decision or resolution?

I. Mairead wants to include a hypothesis in her report, and she asks if she

must give credit to the scientist who first proposed it.

II. Aiden is planning and experiment on gerbils, and he asks how large the

cages should be.

III. Paula is developing a new technique for mining fossil fuels, and she

asks if the technique must avoid polluting the experiment. - ✔✔I.,II.,and III.

which task would be best accomplished in a field of engineering? -

✔✔designing and building an artificial heart for the human circulatory

system

Fill in the paragraph - ✔✔Living things are similar in many ways. Genes

made of DNA (A) carry the directions for inheritance, and offspring usually

resemble their parents. With asexual reproduction (G) , offspring have the

same traits as their parents. With sexual reproduction (F) , offspring differ

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